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Regex Email validation
... here: C# – Email Regular Expression
Also, this checks for RFC validity based on email syntax, not for whether the email really exists. The only way to test that an email really exists is to send and email and have the user verify they received the email by clicking a link or entering a token.
T...
AngularJS: how to implement a simple file upload with multipart form?
...resource save and the server will save it on the local file system (or database) and return a unique id (i.e. random folder/file name or db id) for that file. Then once all uploads are done, client sends another PUT/POST request which extra data and ids of the files that are uploaded for this reques...
Remove border radius from Select tag in bootstrap 3
... background-repeat: no-repeat;
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAMCAYAAABSgIzaAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAyJpVFh0WE1MOmNvbS5hZG9iZS54bXAAAAAAADw/eHBhY2tldCBiZWdpbj0i77u/IiBpZD0iVzVNME1wQ2VoaUh6cmVTek5UY3prYzlkIj8+IDx4OnhtcG1ldG...
“Keep Me Logged In” - the best approach
...logs in, generate a large (128 to 256 bit) random token. Add that to a database table which maps the token to the userid, and then send it to the client in the cookie.
What if the attacker guesses the random token of another user?
Well, let's do some math here. We're generating a 128 bit random t...
python numpy machine epsilon
...er is aware about Python running on computers that aren't using underlying base-3 computation.
– kokociel
Jul 24 '18 at 8:02
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show 1 more c...
In Java, how do I parse XML as a String instead of a file?
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I have this function in my code base, this should work for you.
public static Document loadXMLFromString(String xml) throws Exception
{
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocu...
Padding between ActionBar's home icon and title
... help you find a solution:
https://github.com/android/platform_frameworks_base/blob/master/core/res/res/values/styles.xml
(This is the actual layout used to display the home icon in an action bar)
https://github.com/android/platform_frameworks_base/blob/master/core/res/res/layout/action_bar_home.x...
How are multi-dimensional arrays formatted in memory?
...
The answer is based on the idea that C doesn't really have 2D arrays - it has arrays-of-arrays. When you declare this:
int someNumbers[4][2];
You are asking for someNumbers to be an array of 4 elements, where each element of that array...
Why can't static methods be abstract in Java?
... Unfortunately Java doesn't let you specify that when creating an abstract base class (or an interface).
– Michael Carman
Mar 29 '11 at 20:10
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Change a branch name in a Git repo
...y to push with git push because you gent a warning whi says Your branch is based on 'old_name, but the upstream is gone. A git push -u origin new_name solve it.
– netalex
Feb 8 '19 at 15:07
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