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NSDictionary - Need to check whether dictionary contains key-value pair or not
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f2190056%2fnsdictionary-need-to-check-whether-dictionary-contains-key-value-pair-or-not%23new-answer', 'question_page');
}
)...
Alter a MySQL column to be AUTO_INCREMENT
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ALTER TABLE document MODIFY COLUMN document_id INT auto_increment
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What is the Git equivalent for revision number?
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Good or bad news for you, that hash IS the revision number. I also had trouble with this when I made the switch from SVN to git.
You can use "tagging" in git to tag a certain revision as the "release" for a specific version, making it ...
Count characters in textarea
... };
</script>
</head>
<body>
<textarea id="field" onkeyup="countChar(this)"></textarea>
<div id="charNum"></div>
</body>
</html>
... works fine for me.
Edit: You should probably clear the charNum div, or write something, ...
AsyncTaskLoader vs AsyncTask
...syncTask:
AsyncTaskLoader gives us liberty to load old cached data until new data is returned by forceLoad()
We can set delays to AsyncTaskLoader by setUpdateThrottle() which can prevent consecutive updates to client (Activity/Fragment)
AsyncTaskLoader can be shared to multiple fragments if they h...
Javascript Shorthand for getElementById
Is there any shorthand for the JavaScript document.getElementById? Or is there any way I can define one? It gets repetitive retyping that over and over .
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Counting the number of option tags in a select tag in jQuery
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The W3C solution:
var len = document.getElementById("input1").length;
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How do I modify a MySQL column to allow NULL?
...e same as @Krishnrohit:
ALTER TABLE `table` CHANGE `column_current_name` `new_column_name` DATETIME NULL;
I actually had the column set as NOT NULL but with the above query it was changed to NULL.
P.S. I know this an old thread but nobody seems to acknowledge that CHANGE is also correct.
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How to get StackPanel's children to fill maximum space downward?
...>
<TextBlock Text="This is the help that is available on the news screen."
TextWrapping="Wrap" />
</GroupBox>
<StackPanel DockPanel.Dock="Left" Margin="10"
Width="Auto" HorizontalAlignment="Stretch">
<TextBlock Tex...
Using Chrome, how to find to which events are bound to an element
...mlncjg), after installing follow these steps:
Inspect the element
On the new 'jQuery Audit' tab expand the Events property
Choose for the Event you need
From the handler property, right click over function and select 'Show function definition'
You will now see the Event binding code
Click on the ...