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How to check null objects in jQuery
...Query and I want to check the existence of an element in my page. I have written following code, but it's not working:
13 A...
iOS 7 - How to display a date picker in place in a table view?
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With iOS7, Apple released the sample code DateCell.
Demonstrates formatted display of date objects in table cells and use of UIDatePicker to edit those values.
As a delegate to this table, the sample uses the method "d...
Extract numbers from a string
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$str = 'In My Cart : 11 12 items';
preg_match_all('!\d+!', $str, $matches);
print_r($matches);
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Cleaning up the iPhone simulator
... xcode deploys an app when building for the iPhone simulator? I have a sqlite database that gets copied into the Documents folder on startup if necessary. The problem is that I might change my schema, but the new database won't get copied, because one already exists.
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Create Git branch with current changes
...ster branch thinking that my task would be easy. After a while I realized it would take more work and I want to do all this work in a new branch.
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Rebuild or regenerate 'ic_launcher.png' from images in Android Studio
...you point
to some external .PNG file, and then when that dialog completes,
it generates 4 different pixel-sizes of images for use as
a launcher-icon.
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catch all unhandled exceptions in ASP.NET Web Api
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This is now possible with WebAPI 2.1 (see the What's New):
Create one or more implementations of IExceptionLogger. For example:
public class TraceExceptionLogger : ExceptionLogger
{
public override void Log(ExceptionLoggerContext context)
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Measure the time it takes to execute a t-sql query
I have two t-sql queries using SqlServer 2005. How can I measure how long it takes for each one to run?
6 Answers
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List to array conversion to use ravel() function
I have a list in python and I want to convert it to an array to be able to use ravel() function.
6 Answers
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How to remove the first and the last character of a string
...);
console.log(result);
Or you can use .slice as suggested by Ankit Gupta
var yourString = "/installers/services/";
var result = yourString.slice(1,-1);
console.log(result);
Documentation for the slice and substring.
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