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How to find the extension of a file in C#?
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You can check .flv signature. You can download specification here:
http://www.adobe.com/devnet/flv/
See "The FLV header" chapter.
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How to get english language word database? [closed]
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I do not see http://wordlist.sourceforge.net/ mentioned here, but that is where I would start if I were looking for something like this (and I was, when I stumbled over this question).
If you cannot find what you want there, and what you...
Password reset for Azure database
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Using the new azure portal:
https://portal.azure.com
Click browse (to view all resources)
Select SQL databases
Choose a database that's in the server you want to change creds for.
Select the server name url for that selected database. This should...
Remove Last Comma from a string
...// trim last character
$("#demo").text(strVal);
}
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<p class="txtValue">Striing with Commma,</p>
<button onclick="myFunction()">Try it</button>
<p id="de...
Login to Microsoft SQL Server Error: 18456
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Check out this blog article from the data platform team.
http://blogs.msdn.com/b/sql_protocols/archive/2006/02/21/536201.aspx
You really need to look at the state part of the error message to find the root cause of the issue.
2, 5 = Invalid userid
6 = Attempt to use a Windows log...
Getting the difference between two repositories
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See http://git.or.cz/gitwiki/GitTips, section "How to compare two local repositories" in "General".
In short you are using GIT_ALTERNATE_OBJECT_DIRECTORIES environment variable to have access to object database of the other re...
Rails: update_attribute vs update_attributes
...d to Rails 4) update_attribute, update, update_column, update_columns etc. http://www.davidverhasselt.com/set-attributes-in-activerecord/. For example it differs in aspects such as running validations, touching object's updated_at or triggering callbacks.
As an answer to the OP's question update_at...
Center image using text-align center?
...<div style="border: 1px solid black;">
<img class="center" src ="https://cdn.sstatic.net/Sites/stackoverflow/company/img/logos/so/so-icon.png?v=c78bd457575a">
</div>
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How to communicate between iframe and the parent site?
...is library supports HTML5 postMessage and legacy browsers with resize+hash https://github.com/ternarylabs/porthole
Edit: Now in 2014, IE6/7 usage is quite low, IE8 and above all support postMessage so I now suggest to just use that.
https://developer.mozilla.org/en-US/docs/Web/API/Window.postMessa...
Android Spinner : Avoid onItemSelected calls during initialization
...y with a boolean to determine if the user is interacting with the device.
http://developer.android.com/reference/android/app/Activity.html#onUserInteraction()
@Override
public void onUserInteraction() {
super.onUserInteraction();
userIsInteracting = true;
}
As a field on the Activity I...