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How do I measure the execution time of JavaScript code with callbacks?
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Use the Node.js console.time() and console.timeEnd():
var i;
console.time("dbsave");
for(i = 1; i < LIMIT; i++){
db.users.save({id : i, name : "MongoUser [" + i + "]"}, end);
}
end = function(err, saved) {
console.log(( err || !saved )?"...
partial string formatting
...ssible to do partial string formatting with the advanced string formatting methods, similar to the string template safe_substitute() function?
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Check if an array is empty or exists
When the page is loading for the first time, I need to check if there is an image in image_array and load the last image.
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Readonly Properties in Objective-C?
... this in addition to the op's initial declaration in the public interface? Meaning, does this class extension declaration override the initial declaration in the .h? Otherwise I don't see how this would expose a public setter. Thanks
– Madbreaks
Dec 19 '12 at ...
How to pass parameters on onChange of html select
... edited Jan 9 at 10:57
A. Meshu
2,83322 gold badges1414 silver badges2828 bronze badges
answered Feb 17 '11 at 1:13
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Checkout old commit and make it a new commit [duplicate]
On Git, say I mess up my commits, and I want to make the version 3 commits ago as the new version. If I do git checkout xxxx , it creates a new branch and it seems like I can only merge it? Could I make this the new "master version"?
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Injecting a mock into an AngularJS service
... $provide.
If you have the following service with a dependency that has a method called getSomething:
angular.module('myModule', [])
.factory('myService', function (myDependency) {
return {
useDependency: function () {
return myDependency.getSomething();
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How to insert in XSLT
...instead.
&nbsp; is a HTML "character entity reference". There is no named entity for non-breaking space in XML, so you use the code &#160;.
Wikipedia includes a list of XML and HTML entities, and you can see that there are only 5 "predefined entities" in XML, but HTML has over 200. I'll al...
Debugging sqlite database on the device
...ess the database on the device. Debugging in the emulator doesn't work for me, because there is no WiFi support in the emulator. I tried pulling the database file out of the device by using
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Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
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I'm hoping someone can provide some concrete examples of best use cases for each.
Use Retrofit if you are communicating with a Web service. Use the peer library Picasso if you are downloading images. Use OkHTTP if you need to do HTTP op...