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AngularJS : automatically detect change in model
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In views with {{}} and/or ng-model, Angular is setting up $watch()es for you behind the scenes.
By default $watch compares by reference. If you set the third parameter to $watch to true, Angular will instead "shallow" watch the object for cha...
how to check if List element contains an item with a Particular Property Value
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If you have a list and you want to know where within the list an element exists that matches a given criteria, you can use the FindIndex instance method. Such as
int index = list.FindIndex(f => f.Bar == 17);
Where f => f.Bar == 17 is ...
Install a module using pip for specific python version
...w packages to.
In many distributions, there may be separate python2.6-pip and python2.7-pip packages, invoked with binary names such as pip-2.6 and pip-2.7. If pip is not packaged in your distribution for the desired target, you might look for a setuptools or easyinstall package, or use virtualenv ...
What's the use/meaning of the @ character in variable names in C#?
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And for those wondering, in VB.NET you can use [ ] to specify a verbatim identifier, e.g. Dim [String] As String.
– MicroVirus
Apr 28 '14 at 11:24
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Objective-C: Property / instance variable in category
...a single storage slot. So if you wanted to use this on multiple instances and have each instance compute a distinct value, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
stati...
Reverting single file in SVN to a particular revision
...update it gets the file you didn't want back... :S
– andygoestohollywood
Nov 15 '13 at 9:53
2
if ...
How to create UILabel programmatically using Swift?
...e the labels frame - what happens when text changes or text gets localized and changes the number of characters?
– Zorayr
May 6 '15 at 3:01
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How to correctly iterate through getElementsByClassName
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This is the right solution, unless you try to look up and change elements that have a same class and are within each other. I explained my workaround in edit to my question.
– Kupto
Apr 24 '13 at 12:56
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JavaScript code to stop form submission
...mission
<form name="myForm" onsubmit="return validateMyForm();">
and function like
<script type="text/javascript">
function validateMyForm()
{
if(check if your conditions are not satisfying)
{
alert("validation failed false");
returnToPreviousPage();
return false;
...
How to convert a string Date to long millseconds
...rs posted in 2016 also use the then long outdated classes SimpleDateFormat and Date is a bit more of a mystery to me. java.time, the modern Java date and time API also known as JSR-310, is so much nicer to work with. You can use it on Android through the ThreeTenABP, see this question: How to use Th...