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javascript check for not null
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Try to check with 'null'
if ('null' != val)
For an explanation of when and why this works, see the details below.
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Do regular expressions from the re module support word boundaries (\b)?
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ahh after yours and Bolo's suggestion, it was because I wasn't using a raw string. Thanks!
– D.C.
Oct 22 '10 at 8:46
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Center Align on a Absolutely Positioned Div
...t. This is awesome! Could you explain how it works? Edit: Did some hunting and it seems like the left: 50% moves the div's left location to the center, which isn't really center. But the translateX shifts it back 50% of the content's width
– Aziz Javed
Nov 10 '...
How to implement a property in an interface
... there is no code. You just specify that there is a property with a getter and a setter, whatever they will do.
In the class, you actually implement them. The shortest way to do this is using this { get; set; } syntax. The compiler will create a field and generate the getter and setter implementati...
Difference between Property and Field in C# 3.0+
...that it seems to be a duplicate of What is the difference between a Field and a Property in C#? but my question has a slight difference (from my point of view):
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ImageView - have height match width?
...ording to a comment below, the percent support library is deprecated as of Android Support Library 26.0.0. This is the new way to do it:
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<ImageView
an...
Chrome debugging - break on next click event
We have a button. Click events are handled by a 3rd party framework, however, the framework is buggy somehow.
1 Answer
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Python - 'ascii' codec can't decode byte
...u need to change the encoding, you need to decode it into a unicode string and then encode it as the desired encoding.
– Winston Ewert
Mar 12 '13 at 16:24
20
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Reliable timer in a console application
... a threaded timer as the other types can drift if the main thread is busy, and I need this to be reliable.
2 Answers
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Get mouse wheel events in jQuery?
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There's a plugin that detects up/down mouse wheel and velocity over a region.
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