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jQuery Ajax POST example with PHP
...form id="foo">
<label for="bar">A bar</label>
<input id="bar" name="bar" type="text" value="" />
<input type="submit" value="Send" />
</form>
jQuery:
// Variable to hold request
var request;
// Bind to the submit event of our form
$("#foo").submit(fu...
git replacing LF with CRLF
...h
git rm --cached -r .
and re-write git index with
git reset --hard
https://help.github.com/articles/dealing-with-line-endings/#refreshing-a-repository-after-changing-line-endings
Note: this is will remove your local changes, consider stashing them before you do this.
...
Is there a generator version of `string.split()` in Python?
string.split() returns a list instance. Is there a version that returns a generator instead? Are there any reasons against having a generator version?
...
Push Notifications in Android Platform
I am looking to write an app that receives pushed alerts from a server. I found a couple of methods to do this.
20 Answer...
Why use static_cast(x) instead of (int)x?
I've heard that the static_cast function should be preferred to C-style or simple function-style casting. Is this true? Why?
...
Why does Math.round(0.49999999999999994) return 1?
...eUploader: {
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Should functions return null or an empty object?
What is the best practice when returning data from functions. Is it better to return a Null or an empty object? And why should one do one over the other?
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...eUploader: {
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How can I use numpy.correlate to do autocorrelation?
...
To answer your first question, numpy.correlate(a, v, mode) is performing the convolution of a with the reverse of v and giving the results clipped by the specified mode. The definition of convolution, C(t)=∑ -∞ < i < ∞ aivt+i where -∞ < t &l...
How can I hash a password in Java?
...ls(saltAndHash[1]);
}
// using PBKDF2 from Sun, an alternative is https://github.com/wg/scrypt
// cf. http://www.unlimitednovelty.com/2012/03/dont-use-bcrypt.html
private static String hash(String password, byte[] salt) throws Exception {
if (password == null || password.len...