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How To Set A JS object property name from a variable
I am in need to set a JS object property name dynamically.
8 Answers
8
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[科普] __MACOSX是什么文件夹？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
[科普] __MACOSX是什么文件夹？（如图，一般的设计源文件都会有__MACOSX这个目录）以下为网上搜到的资料：MacOS作为他们的开发环境。例如，许多来自领先的网络框架组织的...
（如图，一般的设计源文件都会有__MACOSX这个目录）
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$watch'ing for data changes in an Angular directive
...gular only checks the reference of the top level variable that you watch.
App.directive('d3Visualization', function() {
return {
restrict: 'E',
scope: {
val: '='
},
link: function(scope, element, attrs) {
scope.$watch('val', function(newVa...
AngularJS and its use of Dollar Variables
...="n = { visible: 'foo', $ignore: 'bar' };">{{ n }}</div>
Additionally when adding an explicit watcher on a scope object, changes to properties with a leading dollar sign of this object will not trigger the watcher. See this updated fiddle.
angular.equals() ignores keys prefixed with $.
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Python assigning multiple variables to same value? list behavior
...the same identical value. Variables have types, identities, addresses, and all kinds of stuff like that.
Names don't have any of that. Values do, of course, and you can have lots of names for the same value.
If you give Notorious B.I.G. a hot dog,* Biggie Smalls and Chris Wallace have a hot dog. ...
JSONP with ASP.NET Web API
...ms to be ok, but because the service exists on a separate site, trying to call it with JQuery errors with the "Not Allowed". So, this is clearly a case where I need to use JSONP.
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java.util.regex - importance of Pattern.compile()?
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The compile() method is always called at some point; it's the only way to create a Pattern object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, like...
Wait one second in running program
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Personally I think Thread.Sleep is a poor implementation. It locks the UI etc. I personally like timer implementations since it waits then fires.
Usage: DelayFactory.DelayAction(500, new Action(() => { this.RunAction(); })...
Get all keys of an NSDictionary as an NSArray
Is it possible to get all the keys from a specific NSDictionary as a seperate NSArray ?
3 Answers
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Commenting in a Bash script inside a multiline command
...utput MYSQLDUMP file
cat ${MYSQLDUMP} | \
# simplify the line
sed '/created_at/d' | \
# create some newlines
tr ",;" "\n" | \
# use some sed magic
sed -e 's/[asbi]:[0-9]*[:]*//g' -e '/^[{}]/d' -e 's/""//g' -e '/^"{/d' | \
# more magic
sed -n -e '/^"/p' -e '/^print_value$/,/^option_id$/p' | \
# even ...