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Why use def main()? [duplicate]
...ink I still have something else to add.
Reasons to have that if statement calling main() (in no particular order):
Other languages (like C and Java) have a main() function that is called when the program is executed. Using this if, we can make Python behave like them, which feels more familiar for ...
Google Chrome Extensions - Can't load local images with CSS
...ion that uses the content script feature to modify a website. More specifically, the background-image of said website.
8 ...
Creating a dynamic choice field
...ted May 27 '16 at 18:04
Tim Tisdall
8,27033 gold badges4141 silver badges6767 bronze badges
answered Aug 6 '10 at 2:17
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Recommended way of making React component/div draggable
...React.createClass({
getDefaultProps: function () {
return {
// allow the initial position to be passed in as a prop
initialPos: {x: 0, y: 0}
}
},
getInitialState: function () {
return {
pos: this.props.initialPos,
dragging: false,
rel: null // position...
How to set HTTP header to UTF-8 using PHP which is valid in W3C validator?
... any output of the HTML):
header('Content-Type: text/html; charset=utf-8')
table-rows-charset (for each row):
utf8_unicode_ci
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Is there a “standard” format for command line/shell help text?
... case it is not very specific. You probably can't go wrong with printing a table showing the short and long options and a succinct description. Try to get the spacing between all arguments right for readability. You probably want to provide a man page (and possibly an info manual) for your tool to p...
HTML5 placeholder css padding
...ders, but I haven't found it yet.
In the meantime, you can resolve to the table on this page which shows different browser support for different styles.
Edit: Found the plugin! jquery.placeholder.min.js provides you with both full styling capabilities and cross-browser support into the bargain.
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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...程序访问的都是虚拟内存地址，然后操作系统会通过Page Table机制把它翻译成物理内存地址，详细说明可以参考Understanding Memory和Understanding Virtual Memory，至于程序是如何使用虚拟内存的，可以参考Playing with Virtual Memory，这里就不...
Replacing spaces with underscores in JavaScript?
...e to replace spaces with _, it works for the first space in the string but all the other instances of spaces remain unchanged. Anybody know why?
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Python constructors and __init__
Why are constructors indeed called "Constructors"? What is their purpose and how are they different from methods in a class?
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