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Updating packages in Emacs
...re convenient way to manage your packages by declaring them in a dedicated file, and includes a convenient command line client to automatically install and upgrade packages declared in this way.
The order of package-archives does not matter. Emacs aggregates the contents of all archives into a s...
Chaining multiple MapReduce jobs in Hadoop
...do this in your code. The way i've done it before is using something like:
FileSystem.delete(Path f, boolean recursive);
Where the path is the location on HDFS of the data. You need to make sure that you only delete this data once no other job requires it.
...
Can I set an opacity only to the background image of a div?
...ght: 0;
background: url(test.jpg) center center;
opacity: .4;
width: 100%;
height: 100%;
}
See test case on jsFiddle
:before and ::before pseudo-element
Another trick is to use the CSS 2.1 :before or CSS 3 ::before pseudo-elements. :before pseudo-element is supported in IE from v...
Find element's index in pandas Series
...I admit that there should be a better way to do that, but this at least avoids iterating and looping through the object and moves it to the C level.
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Build a simple HTTP server in C [closed]
...get mainly - you can ignore the rest for now)
Translate the request into a file request
Open the file and spit it back at the client
It gets more difficult depending on how much of HTTP you want to support - POST is a little more complicated, scripts, handling multiple requests, etc.
But the bas...
What is the difference between jQuery: text() and html() ?
...t;/b>');
});
</script>
</head>
<body>
<div id="div1"></div>
<div id="div2"></div>
</body>
</html>
A difference that may not be so obvious is described in the jQuery API documentation
In the documentation for .html():
The .html(...
Slow Requests on Local Flask Server
...ipv6 from the localhost by commenting out the following line from my hosts file:
::1 localhost
Once I do this the latency problems go away.
I'm really digging Flask and I'm glad that it's not a problem with the framework. I knew it couldn't be.
...
How to connect to LocalDB in Visual Studio Server Explorer?
... "check your localdb" it doesn't say how! I don't see any '.mdf' or '.ldf' files created under the project folder. I tried every way to connect Visual Studio's Server Explorer to LocalDB. The wizard cannot locate (localdb) or cannot find any provider in Server Explorer to accept connection string ...
How to search all loaded scripts in Chrome Developer Tools?
...or regular expressions and case sensitivity.
Click any match to load that file/section in the scripts panel.
Make sure 'Search in anonymous and content scripts' is checked in the DevTools Preferences (F1). This will return results from within iframes and HTML inline scripts:
...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...e a folder named "platforms" in the same directory as your application.exe file. Copy and paste the qwindows.dll, found in the /bin of whichever compiler you used to release your application, into the "platforms" folder. Like magic it works. If the .dll is not there check plugins/platforms/ ( with p...