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In Python, what happens when you import inside of a function? [duplicate]
... Importing a module for the first time is expensive. Try running an empty script vs one containing just import string,itertools,fractions,heapq,re,array,bisect,collections,math,os. The first takes an average of 180 ms, and the second 230 ms. So it's not microseconds for starters. It's tens of milli...
JSON Naming Convention (snake_case, camelCase or PascalCase) [closed]
...++ background (or languages that adopt similar naming, which includes many scripting languages, ruby etc) often choose underscore variant; and rest similarly (Java vs .NET). Jackson library that was mentioned, for example, assumes Java bean naming convention (camelCase)
UPDATE: my definition of "st...
Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...t be loaded dynamically, or can change during the lifetime of the page via script) in which case using CSS only makes sense.
The bottom line is that you need to understand the trade-offs and decide which strategy makes the most sense for what you're trying to achieve.
...
What is the difference between a dialog being dismissed or canceled in Android?
... when the user hits the back button rather than selecting the choices that alert dialog offers like OK/Dismiss and return null/no value to the caller. While
dialog.dismiss() is normally called when the user selects from the choices that alert dialog offers like hitting the Dismiss button on the dial...
How to set the title of DialogFragment?
...lt;style name="MyDialogFragmentStyle" parent="Theme.AppCompat.Light.Dialog.Alert">
<item name="windowActionBar">false</item>
<item name="windowNoTitle">false</item>
<item name="android:windowActionBar">false</item>
<item name="android:windowN...
理解Python的 with 语句 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...xit__()方法，因此抛出的ZeroDivisionError异常被打印出来了。开发库时，清理资源，关闭文件等等操作，都可以放在__exit__方法当中。
Thus, Python’s with is a nifty construct that makes code a little less verbose and makes cleaning up during exceptions a ...
NodeJS require a global module/package
...This isn't perfect but considering that Unity3d tries to "compile" all javascript that is included in the project directory I really can't install any packages.
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Can I use jQuery with Node.js?
... one down side of jsdom's jQueryify() is that it runs all the page's scripts.
– drewish
Jan 30 '12 at 4:47
and i...
Why does AngularJS include an empty option in select?
...e controller i dont seem to get the value of selected dropdown. Ex:I tried alert($scope.sortorder.value); and alert($scope.sortorder); both gives undefined. How to get the selected value here?
– Maverick Riz
Jul 24 '15 at 18:54
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jQuery pass more parameters into callback
... can use the variables defined in the enclosing scope. This is the way Javascript scoping works.
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