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Difference between >>> and >>
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>> is arithmetic shift right, >>> is logical shift right.
In an arithmetic shift, the sign bit is extended to preserve the signedness of the number.
For example: -2 represented in 8 bits would be 11111110 (because the mo...
Find a value anywhere in a database
Given a #, how do I discover in what table and column it could be found within?
18 Answers
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How do I use Assert to verify that an exception has been thrown?
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For "Visual Studio Team Test" it appears you apply the ExpectedException attribute to the test's method.
Sample from the documentation here: A Unit Testing Walkthrough with Visual Studio Team Test
[TestMethod]
[ExpectedException(typeof(ArgumentException...
How do I control how Emacs makes backup files?
...erywhere and I don't like having to remember to delete them. Also, if I edit a file that has a hard link somewhere else in the file system, the hard link points to the backup when I'm done editing, and that's confusing and awful. How can I either eliminate these backup files, or have them go somew...
Python: How to create a unique file name?
I have a python web form with two options - File upload and textarea . I need to take the values from each and pass them to another command-line program. I can easily pass the file name with file upload options, but I am not sure how to pass the value of the textarea.
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Pick any kind of file via an Intent in Android
...new Intent(Intent.ACTION_GET_CONTENT);
intent.setType("file/*");
startActivityForResult(intent, PICKFILE_REQUEST_CODE);
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D Programming Language in the real world? [closed]
...e out there using D for real world applications? If so, what are you using it for? I can't seem to find anything big on the web written in D.
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Handling specific errors in JavaScript (think exceptions)
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To create custom exceptions, you can inherit from the Error object:
function SpecificError () {
}
SpecificError.prototype = new Error();
// ...
try {
throw new SpecificError;
} catch (e) {
if (e instanceof SpecificError) {
// specific error
} else {
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How do you migrate an IIS 7 site to another server?
I'm wondering what is the best practice for moving a website to another server (along with all settings, etc.)
7 Answers
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CSS center text (horizontally and vertically) inside a div block
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If it is one line of text and/or image, then it is easy to do. Just use:
text-align: center;
vertical-align: middle;
line-height: 90px; /* The same as your div height */
That's it. If it can be multiple lines, then it i...