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Preview an image before it is uploaded
...{
readURL(this);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form runat="server">
<input type='file' id="imgInp" />
<img id="blah" src="#" alt="your image" />
</form>
Also, you can try this samp...
How to import a module given its name as string?
...2.7/3.1, that's pretty much how you do it.
For newer versions, see importlib.import_module for Python 2 and and Python 3.
You can use exec if you want to as well.
Or using __import__ you can import a list of modules by doing this:
>>> moduleNames = ['sys', 'os', 're', 'unittest']
>...
Pretty printing XML in Python
...
Only downside to lxml is a dependency on external libraries. This I think is not so bad under Windows the libraries are packaged with the module. Under linux they are an aptitude install away. Under OS/X I'm not sure.
– intuited
Oct...
How to force keyboard with numbers in mobile website in Android
...tr("type","text")});
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="text" class="numberonly">
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Playing .mp3 and .wav in Java?
....com/questions/15149547/… Looks like you need to manually add the javafx library from inside the Java 7 folder if you use Eclipse.
– Gyurme
Jun 15 '13 at 12:40
7
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Change text color based on brightness of the covered background area?
...0px;
height: 50px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="bg">Text Example</div>
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How to install the current version of Go in Ubuntu Precise
...e settings you're gonna need to bash_rc or equivalent:
export GOROOT=/usr/lib/go
export GOBIN=/usr/bin/go
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Pinging servers in Python
...sing the os.system('ping -c 1 -t 1 hostname') solution. Plus the pyping lib is very easy to use compared to using the TCP/IP sockets library. I wrote my ping program using both, and pyping is far quicker and easier to use, in my opinion, especially if one isn't familiar with using the TCP/IP soc...
What is a good Java library to zip/unzip files? [closed]
I looked at the default Zip library that comes with the JDK and the Apache compression libs and I am unhappy with them for 3 reasons:
...
CURL alternative in Python
...
import urllib2
manager = urllib2.HTTPPasswordMgrWithDefaultRealm()
manager.add_password(None, 'https://app.streamsend.com/emails', 'login', 'key')
handler = urllib2.HTTPBasicAuthHandler(manager)
director = urllib2.OpenerDirector()
di...