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... groups told him that despite the fact that the TA had virtually wiped out graffiti on the trains, about 20 percent of the respondents said it was still there Things had gotten so bad, people didn t ... tourists a year.31 The objective, following Kelling, is an attempt to prevent deterioration to the point that higher crime rates will almost surely follow As he puts it, it is an attempt that ... offers a historical perspective on the utility of the “root causes” argument, noting: The meliorists of the Nineteenth Century took it for granted that by a century after their time—by the year...

Ngày tải lên: 05/03/2014, 20:20

... the steps that led up to it? Chapter 7, “Knowing What You Know showed you how to know when you know for sure You know that you know the material when you have: 60 KNOWING WHEN YOU DON T KNOW • ... the steps it takes to get there But notice that this clear picture and order don t come out all at once You have to take it one step at a time, just as if you were following the directions to Adams ... be the writer or teacher and the other the student Explain to your study buddy what you just read or heard If you don t have a study buddy, explain it to yourself Make sure you don t leave out...

Ngày tải lên: 02/11/2013, 18:20

Ngày tải lên: 31/07/2014, 08:21

... other patterns for better places to store state besides the function object But for just a moment, we’ll explore that pattern, to illustrate how this doesn t let a function get a reference to ... tools to get the call-stack, then find the second item from the top, and that will show you the real call-site Nothing but Rules We turn our attention now to how the call-site determines where this ... it whatever you want Whatever you call the variable, the easiest way to set it up as totally empty is Object.create(null) (see Chapter 5) Object.cre ate(null) is similar to { }, but without the...

Ngày tải lên: 01/08/2014, 15:57

... Second, and more importantly, callbacks suffer from inversion of control in that they implicitly give control over to another party (often a third-party utility not in your control!) to invoke the continuation of your program This control transfer leads us to a troubling list of trust issues, such as whether the callback is called more times than we expect ... He insists, and you reluctantly agree, that you can 't trust them anymore (that's what bit you) , and that you' ll need to figure out how to protect the checkout code from such a vulnerability again After some tinkering, you implement some simple ad hoc code like the following, which the team seems happy with: ... (hack) for async scheduling, which basically just means "stick this function at the end of the current event loop queue." Note: setTimeout( 0) is not technically inserting an item directly onto the event loop queue The timer will insert the event at its next opportunity...

Ngày tải lên: 22/11/2016, 17:55

... Prototype Methods Object Object.is( ) Static Function Object.getOwnPropertySymbols( ) Static Function Table of Contents | v Object.setPrototypeOf( ) Static Function Object.assign( ) Static Function ... understanding by exposing you to the new and unknown The intention is to evolve your knowledge in step with your tools by bestowing you with new capabilities It exists to give you the confidence to ... both a getter and setter (again for compat reasons), but there are definitely better options See the this & Object Prototypes title of this series for more information For setting the [[Prototype]]...

Ngày tải lên: 22/11/2016, 17:55

... http://facebook.com/oreilly Follow us on Twitter: http://twitter.com/oreillymedia Watch us on YouTube: http://www.youtube.com/oreillymedia Check out the full You Don t Know JS series: http://YouDont ... looking on your current floor, and if you don t find it, taking the elevator to the next floor, looking there, then the next, and so on Once you get to the top floor (the global scope), you either ... functionexpression The easiest way to distinguish declaration vs expression is the position of the word function in the statement (not just a line, but a distinct statement) If function is the very first thing...

Ngày tải lên: 22/11/2016, 17:55

... other patterns for better places to store state besides the function object But for just a moment, we’ll explore that pattern, to illustrate how this doesn t let a function get a reference to ... clocks that told the time in the status bar Suffice it to say, I didn t really pay much attention to Java‐ Script in the early part of my career because of the novelty of the im‐ plementations that ... tools to get the call-stack, then find the second item from the top, and that will show you the real call-site Nothing but Rules We turn our attention now to how the call-site determines where this...

Ngày tải lên: 22/11/2016, 17:55

... exhaustively into them You should come away from read‐ ing with a firm confidence in your understanding, not just of the theoretical, but the practical “what you need to know bits The JavaScript you ... setTimeout( ) function returns a numeric value (the unique identifier of the timer interval, if you wanted to cancel it), but we want to void that out so that the return value of our function doesn t ... a.charAt(1) A further consequence of immutable strings is that none of the string methods that alter its contents can modify in-place, but rather must create and return new strings By contrast, many...

Ngày tải lên: 22/11/2016, 17:56

... paste When you strive to comprehend your code, you create better work and become better at what you The code isn t just your job anymore, it’s your craft This is why I love Up & Going Kyle takes ... and 1s The choices you make about how to write your program matter 12 | Chapter 1: Into Programming —not only to you, but to your other team members and even to your future self You should strive ... with a firm confidence in your understanding, not just of the theoretical, but the practical “what you need to know bits The JavaScript you know right now is probably parts handed down to you...

Ngày tải lên: 22/11/2016, 17:56

... Even after you ve created your nonprofit, most states require nonprofits to file periodic reports or statements with the secretary of state or the department of state There is often a corporations ... sure to note in your recreated minutes that they were created after the fact to memorialize actions taken by your initial board or incorporators at their first meeting Membership Roster If your ... eight people, but you couldn t set it at four people, or below the statutory minimum Often, nonprofits simply restate the state law requirements in their bylaws That way, they know that if they...

Ngày tải lên: 18/04/2014, 14:09

... to it" để ám t i/ chúng t i khơng lo lắng điều th t xảy Ví dụ:  A (man): I'll introduce you to my parents tonight (Anh đưa em m t bố mẹ anh t i nay.)  B (the man's girlfriend): Okay , but they ...  B: Don' t cross your bridges before you come to them We will see what happens then (Em đừng lo lắng đến chuyện xa vời Rồi bi t điều xảy mà.) Mọi người thường nói: "I/ we will cross that bridge ... Ta dùng thành ngữ để diễn t ý việc chưa xảy khơng cần phải q lo lắng nó, chờ đợi đến đâu ta t nh đến Ví dụ:  A: Our proposal is ready, but what if the committee doesn 't accept it? (Đề...

Ngày tải lên: 02/08/2014, 10:20

Ngày tải lên: 20/09/2013, 01:10

... of the unnamed committee representing those in opposition to the CCSB stated that his group felt that to snatch Beta from orbit at this moment of its greatest glory would be contrary to natural ... cigarette "After all, your watch stops sometimes, doesn 't it?" "Sometimes," Jordan admitted sourly, "but never at T minus twelve minutes." After a short time the bullhorn shook the area with the ... this time It may be within your jurisdiction to salvage and all that, but I believe that the decision whether to salvage now rests with the legislature I would hesitate to act without securing...

Ngày tải lên: 06/03/2014, 02:20

... in your bank account, up to the amount of your total judgement debt plus costs Your employer or financial institution pays the money to the court and the court pays the money to the creditors ... if you don t pay your bills What Creditors Can Do if You Can t Pay Note: If you don t pay your utility bill, the utility company will probably cut off your services and start legal action to ... writing that the matter has been settled Pay the claim You can pay the claim and related costs to the court, or directly to the creditor or his representative Make sure you get a receipt The...

Ngày tải lên: 15/03/2014, 10:20

... objective truth This will be the way to avoid wasting your life Stay on the road that your fiery evangelist father was on Don t forsake the plaque on your kitchen wall Here was weighty intellectual ... shells.” That is a tragedy And people today are spending billions of dollars to persuade you to embrace that tragic dream Over against that, I put my protest: Don t buy it Don t waste your life PRETEND ... create It will be decided for you It is outside you It is real and objective and firm One day you will hear it You don t create it You don t define it It comes to you, and sooner or later you...

Ngày tải lên: 22/03/2014, 22:20

... substituting more brain-stimulating activities It follows that it not only makes sense to continue your education, but it’s best to challenge yourself to learn a new subject For example, if you ... when you retire, your fantasies are likely to turn out to be just that Especially if at any time during your life you thought of yourself as a creative person (painter, musician, poet or whatever ... experience that many people who enjoy the bustle and creativity of the workplace find that continuing to work at least part-time after reaching retirement age offers the best opportunity to stay busily...

Ngày tải lên: 18/04/2014, 14:05

... created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with ... pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial ... www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com PDF created with pdfFactory trial version www.pdffactory.com...

Ngày tải lên: 24/05/2014, 20:20