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Nginx与Lua - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的，但是出于效率的考虑，推荐安装LuaJIT。
shell> wget http://luajit.org/download/LuaJIT-<VERSION>.tar.gz
shell> tar zxvf LuaJIT-<VERSION>.tar.gz
shell> cd LuaJIT-<VERSION>
shell> make
shell> make install
因为安装在缺省路径，所以LuaJIT对应的lib，include均在/u...
Portable way to get file size (in bytes) in shell?
...wn program (really small) to display just the size. More information here: http://fwhacking.blogspot.com/2011/03/bfsize-print-file-size-in-bytes-and.html
The two most clean ways in my opinion with common Linux tools are:
$ stat -c %s /usr/bin/stat
50000
$ wc -c < /usr/bin/wc
36912
But I just...
React.js: Identifying different inputs with one onChange handler
...onent(<Hello />, document.getElementById('content'));
Easy right?
http://facebook.github.io/react/docs/two-way-binding-helpers.html
You can even implement your own mixin
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Why shouldn't all functions be async by default?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Import package.* vs import package.SpecificType [duplicate]
...your code refuses to compile.
Never use import-on-demand. It's evil!
See http://javadude.com/articles/importondemandisevil.html for more details.
RE performance:
import a.*;
vs
import a.X;
Makes no difference at runtime. The compiler hardwires the resolved class names into the generated .cl...
Check if object is a jQuery object
...
You may also use the .jquery property as described here: http://api.jquery.com/jquery-2/
var a = { what: "A regular JS object" },
b = $('body');
if ( a.jquery ) { // falsy, since it's undefined
alert(' a is a jQuery object! ');
}
if ( b.jquery ) { // truthy, since it's a...
Is it valid to define functions in JSON results?
...
No.
JSON is purely meant to be a data description language. As noted on http://www.json.org, it is a "lightweight data-interchange format." - not a programming language.
Per http://en.wikipedia.org/wiki/JSON, the "basic types" supported are:
Number (integer, real, or floating
point)
String (d...
Start/Stop and Restart Jenkins service on Windows
I have downloaded "jenkins-1.501.zip" from http://jenkins-ci.org/content/thank-you-downloading-windows-installer .
8 Ans...
How to save an activity state using save instance state?
... for persistent data, according to the documentation on Activity states in http://developer.android.com/reference/android/app/Activity.html.
The document states (in the 'Activity Lifecycle' section):
Note that it is important to save
persistent data in onPause() instead
of onSaveInstanceSta...
Floating elements within a div, floats outside of div. Why?
...ding elements margins. Also floating elements will stay inside of border.
http://www.w3schools.com/css/tryit.asp?filename=trycss_layout_clearfix
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