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What is a postback?
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The following is aimed at beginners to ASP.Net...
When does it happen?
A postback originates from the client browser. Usually one of the controls on the page will be manipulated by the user (a button clicked or dropdown changed, etc), and this control will initiate a postback. The st...
How to check if a Unix .tar.gz file is a valid file without uncompressing?
I have found the question How to determine if data is valid tar file without a file? , but I was wondering: is there a ready made command line solution?
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Batch file. Delete all files and folders in a directory
...l delete all the folders and files in my cache folder for my wireless toolkit.
15 Answers
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Convert a byte array to integer in Java and vice versa
...e classes found in the java.nio namespace, in particular, the ByteBuffer. It can do all the work for you.
byte[] arr = { 0x00, 0x01 };
ByteBuffer wrapped = ByteBuffer.wrap(arr); // big-endian by default
short num = wrapped.getShort(); // 1
ByteBuffer dbuf = ByteBuffer.allocate(2);
dbuf.putShort(n...
git clone through ssh
I have a project on which I created a git repository:
10 Answers
10
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Declaration of Methods should be Compatible with Parent Methods in PHP
...sible causes of this error in PHP? Where can I find information about what it means to be compatible ?
5 Answers
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What's the simplest way to test whether a number is a power of 2 in C++?
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(n & (n - 1)) == 0 is best. However, note that it will incorrectly return true for n=0, so if that is possible, you will want to check for it explicitly.
http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, in...
How can I use pickle to save a dict?
...oked through the information that the Python docs give, but I'm still a little confused. Could somebody post sample code that would write a new file then use pickle to dump a dictionary into it?
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How to avoid long nesting of asynchronous functions in Node.js
...n JavaScript you can normally replace inline anonymous callback functions with named function variables.
The following:
http.createServer(function (req, res) {
// inline callback function ...
getSomeData(client, function (someData) {
// another inline callback function ...
getM...
Eclipse hangs at the Android SDK Content Loader
I've been working with Eclipse 4.2 (Juno release 20120920-0800) on OS X 10.8.2 for a few weeks now, building apps for Android 3.0 and above. I have a quad core i7 MacBook Pro with an SSD, so performance is not an issue. Everything was fine.
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