chapter 2 2 13 exceptions and exception handling

... on Exception Handling * Python Tutorial discusses defining and raising your own exceptions, and handling multiple exceptions at once * Python Library Reference summarizes all the built-in exceptions ... you've experienced this, and you know it's not fun With exceptions, errors occur immediately, and you can handle them in a standard way at the source of the problem 6.1.1 Using Exceptions For Other ... exception Calling close on a file object whose file is already closed does not raise an exception; it fails silently 6 .2. 3 Handling I/O Errors Now you've seen enough to understand the file handling...

Ngày tải lên: 26/01/2014, 08:20

... elevation function, as a formula in x and y—like N.D Bình 20 /167 Chapter Geographic information and spatial data types ERS 120 : Principles of GIS (3.0678x2 + 20 .08x − 7.34y) or so—which after evaluation ... 34/167 Chapter Geographic information and spatial data types ERS 120 : Principles of GIS in tabular form, as we shall see in Chapter An example of two field data layers is provided in Figure 2. 22 Figure ... yourself for N.D Bình 39/167 Chapter Geographic information and spatial data types ERS 120 : Principles of GIS Figure 2. 10 12 In the chapter, we have discussed raster-based and vector-based representations...

Ngày tải lên: 21/10/2014, 10:09

... secondary windings S1 and S2 Figure 13 is a schematic diagram of an LVDT When the core is centered between S1 and S2, the voltages induced in S1 and S2 have equal amplitudes and are 180º out of ... by a 12- , 24 -, or 36-VDC permanent-magnet motor These motors are capable of performing such tasks as positioning antenna reflectors, opening and closing security gates, handling materials, and ... lbf (22 to 24 5 N) and peak force ratings from about 25 to 180 lbf (110 to 800 N) By contrast, iron-core linear motors are available with continuous force ratings of about 30 to 1100 lbf (130 to...

Ngày tải lên: 22/10/2012, 14:27

... thu 15 20 26 18 32 30 25 18 20 22 Cuối tuần cửa hàng dự báo mức nhu cầu điện thoại cửa hàng tuần tới Dự báo sử dụng bình quân dy động giản đơn với n =4 Hãy thực dự báo cho cửa hàng Bài tâp 2: Tình ... lại cuả năm thứ mức dự báo năm thứ 560 triệu? Năm Quý Quý Quý Quý 28 128 24 6 87 36 118 25 8 96 30 136 25 0 88 45 145 - - Tổng 139 527 754 Bài tập 7: Tình hình bán hàng cửa hàng thống kê sau Hãy xác ... 350 620 748 8 62 121 8 quy Nếu quỹ lương tháng tăng lên 65 triệu doanh Quỹ lương (triệu đồng) 15 26 32 40 56 thu bao nhiêu? 12/ 08 /13 | UTC | Khoa VTKT - Bộ môn QTKD | TS.Nguyen Thi Van Ha | 25 ›...

Ngày tải lên: 16/09/2013, 12:33

... Perlish) 6 92 | Chapter 24 : mod_perl 2. 0: Installation and Configuration This is the Title of the Book, eMatter Edition Copyright © 20 04 O’Reilly & Associates, Inc All rights reserved ,ch24 .25 990 ... Associates, Inc All rights reserved 701 ,ch24 .25 990 Page 7 02 Thursday, November 18, 20 04 12: 47 PM Example 24 -3 Apache/PrintEnv2.pm package Apache::PrintEnv2; use strict; use warnings; use Apache::RequestRec ... etc 7 02 | Chapter 24 : mod_perl 2. 0: Installation and Configuration This is the Title of the Book, eMatter Edition Copyright © 20 04 O’Reilly & Associates, Inc All rights reserved ,ch24 .25 990...

Ngày tải lên: 07/11/2013, 09:15

... 1.541 contains 22 .99 g of sodium and mass of Na 22 .99 g 35.44 g of chlorine Chemistry, Julia Burdge, 2nd e., McGraw Hill 11 Law of Multiple Proportions • When two elements, (call them A and B), form ... Julia Burdge, 2nd e., McGraw Hill 22 Millikan’s Oil Drop Experiment Tro, Chemistry: A Molecular Approach 23 Millikan’s Oil Drop Experiment Tro, Chemistry: A Molecular Approach 24 Electrons • ... +1.60 x 1019 C  mass = 1.6 726 2 x 10 -24 g • since protons and electrons have the same amount of charge, for the atom to be neutral there must be equal numbers of protons and electrons Tro, Chemistry:...

Ngày tải lên: 28/11/2013, 01:11

... institutions and their asset positions, and (b) the number of and growth rates of 10 11 12 A B C D E F G H I 16 Chapter 2: Indicators of Financial Structure, Development, and Soundness available money and ... Development and Economic Growth: Views and Agenda.” Journal of Economic Literature Vol 35, (June): 688– 726 10 11 12 A B C D E F G H I 32 Chapter 2: Indicators of Financial Structure, Development, and ... tables 2. 3 and 2. 4 and will be discussed in this chapter Detailed exposition and guidance on those FSIs can be obtained from the Compilation Guide on Financial Soundness Indicators (IMF 20 04)...

Ngày tải lên: 17/12/2013, 05:15

... 2. 11 Long-Run Market for Calculators With supply and demand for calculators at D1 and S 1, the short-run equilibrium price and quantity will be P2 and Q1 As existing firms expand production and ... shifts in demand and supply on the equilibrium price and quantity In panel (a), an increase in demand from D1 to D2 raises the equilibrium price from P1to P2 and quantity from Q2 to Q1 Panel ... as restricted demand for this new product, let us assume that the supply and demand curves were initially S1 and D1 in Figure 2. 12 The initial equilibrium price would then be P2 and Q1 This is...

Ngày tải lên: 17/12/2013, 15:18

... RAM 00100000-0 022 c557 : Kernel code 0 022 c558-0 024 455f : Kernel data 20 000000-2fffffff : Intel Corporation 440BX/ZX 824 43BX/ZX Host bridge 68000000-68000fff : Texas Instruments PCI 122 5 68001000-68001fff ... implementation found in Linux 2. 0 and 2. 2 has no support for the L and Z qualifiers They have been introduced in 2. 4, though Figure 2- 1 shows how function calls and function pointers are used ... 4800 (unused) 8084 [parport_probe parport_pc lp] 3 325 6 (autoclean) 566 12 (autoclean) [lockd] 625 2 22 304 pcmcia_core 4 128 0 [ds i 823 65] Here we see several modules in the system Among other things,...

Ngày tải lên: 24/12/2013, 01:17

... was driving one night in a cab, and that ‘the cabman wanted him to kill, and Karl very much begged him not to kill, and wept and clasped hands, and frightened and from fear pierced his heart.’ ... heart from fear’ and that the idiot, instead of punishing the cabman, ‘clasped his hands and wept, and much begged.’ Ah, the fool! And you know she fancies it’s very touching and does not suspect ... man, and both hands in pockets went, and always used to say: ‘Poof! poof!’’ and she leapt up from the table to represent her father, sticking her hands in her pockets, puffing her cheeks, and...

Ngày tải lên: 21/01/2014, 05:20

... the end of a fortnight But if WE not venture somebody else will; and after all, Mrs Long and her daughters must stand their chance; and, therefore, as she will think it an act of kindness, if you ... introduction, and the stress that is laid on them, as nonsense? I cannot quite agree with you THERE What say you, Mary? For you are a young lady of deep reflection, I know, and read great books and make ... I am! and it is such a good joke, too, that you should have gone this morning and never said a word about it till now.’ ‘Now, Kitty, you may cough as much as you choose,’ said Mr Bennet; and, ...

Ngày tải lên: 21/01/2014, 18:20

... description 72a to npe 12 – bridged encapsulation dot1q ip address 100.4.1. 12 255 .25 5 .25 5.0 interface fa1/0 .2 description 72a to npe 12 - xconnect encapsulation dot1q ip address 100 .2. 1. 12 255 .25 5 .25 5.0 ... Router(config-if)# ip address 2. 2 .2. 2 25 5 .25 5 .25 5 .25 5 ! CE facing EoMPLS configuration Router# enable Router# configure terminal Router(config)# interface TenGigabitEthernet 1 /2 Router(config-if)# service ... Devices NPE11 NPE10 ge2/4.4 gi3/0/0/0 primary NPE 12 fa1/0.4 ge2/4 .2 backp gi3/0/0/11 ge1/3.4 72a fa1/0 .2 NPE14 ge1/3 .2 Note 191978 Figure 4 -2 The configurations on the primary and backup interfaces...

Ngày tải lên: 25/01/2014, 11:20

Ngày tải lên: 26/01/2014, 07:20

... Asymmetric ƒ Client/server Standard or Nonstandard „ Nonstandard protocols built for specific computers and tasks „ K sources and L receivers leads to K*L protocols and 2* K*L implementations „ If ... require changes in other layers The OSI Environment OSI as Framework for Standardization Layer Specific Standards Elements of Standardization „ Protocol specification ƒ Operates between the same layer ... Means of activating, maintaining and deactivating a reliable link ƒ Error detection and control ƒ Higher layers may assume error free transmission OSI Layers (2) „ Network ƒ Transport of information...

Ngày tải lên: 16/02/2014, 08:20

... half-reactions For the oxidation of iron, we can write 2Fe 2+ ⇔ 2Fe 3+ + 2e ± (2. 11) + H+ + E ± ⇔ H O (2. 12) 2Fe 2+ + O + 2H+ ⇔ 2Fe 3+ + H O (2. 13) O2 The tendency of a substance to donate electrons, ... Tyrosine [Y] (Tyr) COO + H3N CH2 C HC C NH2 + Arginine [R] (Arg) :N COO - C H NH H2N CH2 Acidic R groups CH2 CH2 H H CH2 CH2 Lysine [K] (Lys) Serine [S] (Ser) CH2 CH2 NH3 H3N Basic R groups COO ... H + H3N H C H COO - CH2 CH2 CH2 Isoleucine [I] (Ile) COO - + C CH3 Leucine [L] (Leu) COO H3N CH2 CH3 H3C Valine [V] (Val) + H2C C CH CH3 H3C COO COO H C + CH2 H2N H3N H CH2 CH Alanine [A] (Ala)...

Ngày tải lên: 20/02/2014, 01:20

... types is their size, and therefore the values they can store: Type Storage Min Value byte short int long bits 16 bits 32 bits 64 bits 127 - 128 32, 767 - 32, 768 -2, 147,483,648 2, 147,483,647 < -9 x ... operands used by an arithmetic operator are floating point, then the result is a floating point © 20 04 Pearson Addison-Wesley All rights reserved 2- 25 Division and Remainder • If both operands ... / 12 equals • The remainder operator (%) returns the remainder after dividing the second operand into the first 14 % equals % 12 equals © 20 04 Pearson Addison-Wesley All rights reserved 2- 26...

Ngày tải lên: 06/03/2014, 10:21

... decryptions/µs 32 2 32 = 4.3 × 109 23 1 µs = 35.8 minutes 2. 15 milliseconds 56 25 6 = 7 .2 × 1016 25 5 µs = 11 42 years 10.01 hours 128 21 28 = 3.4 × 1038 21 27 µs = 5.4 × 1 024 years 5.4 × 1018 years 168 21 68 = ... y z 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25  then c p = = have Caesar cipher as: E(p) D(c) = = (p (c + – k) k) mod mod (26 ) (26 ) Cryptanalysis of Caesar Cipher  only have 26 possible ... × 1 024 years 5.4 × 1018 years 168 21 68 = 3.7 × 1050 21 67 µs = 5.9 × 1036 years 5.9 × 1030 years 26 ! = × 1 026 × 1 026 µs = 6.4 × 10 12 years 26 characters (permutation) 6.4 × 106 years Classical...

Ngày tải lên: 06/03/2014, 16:20

... 1 72. 16.3.0 /24 and 1 72. 16 .2. 0 /24 networks Ÿ R2 can communicate with any device on the 1 72. 16.1.0 /24 , 1 72. 16 .2. 0 /24 , and 1 92. 168.1.0 /24 networks Ÿ R3 can communicate with any device on the 1 92. 168.1.0 /24 ... 0/0/1 R2(config-if)# ip address 1 92. 168.1 .2 255 .25 5 .25 5.0 R2(config-if)# clock rate 64000 R2(config-if)# no shutdown R3(config)# interface fastethernet 0/0 R3(config-if)# ip address 1 92. 168 .2. 1 25 5 .25 5 .25 5.0 ... address 1 72. 16.3.1 25 5 .25 5 .25 5.0 ! interface Serial0/0/0 description Link to R2 ip address 1 72. 16 .2. 1 25 5 .25 5 .25 5.0 clockrate 64000 ! R1# l Although the clock rate command is two...

Ngày tải lên: 09/03/2014, 13:20