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How should I validate an e-mail address?
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Don't use a reg-ex.
Apparently the following is a reg-ex that correctly validates most e-mails addresses that conform to RFC 2822, (and will still fail on things like "user@gmail.com.nospam", as will org.apache.commons.validator.routines.EmailVa...
what is “strict mode” and how is it used?
...ing strict this (and similar weird statements) produce errors. Most people appreciate this because there is no reason to ever write NaN = "lol", so there was most likely a typo.
Read more at the MDN page on strict mode
shar...
Programmatically scroll to a specific position in an Android ListView
... touch mode, the item will not be selected but it will still be positioned appropriately.) (android docs)
yourlist.setOnGroupExpandListener (new ExpandableListView.OnGroupExpandListener()
{
@Override
public void onGroupExpand(int groupPosition) {
expList.setSel...
bower command not found windows
...pm config get prefix. This path may look something like C:\Users\username\AppData\Roaming\npm (or C:\ProgramData\chocolatey\lib\nodejs.commandline.X.XX.XX\tools if you use Chocolatey).
Add the path from step 1 to your Path.
Open the Windows Control Panel, search for environment, then click on eit...
Select all text inside EditText when it gets focus
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By some weird reason xml way didn't work appropriately and this one do. Looks like bug inside of SDK.
– ar-g
Aug 30 '16 at 10:45
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How to configure Mac OS X term so that git has color? [closed]
...ing
$ git config --global color.diff true
to set your $HOME/.gitconfig appropriately.
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how to check if object already exists in a list
...epends on the needs of the specific situation. For example, the dictionary approach would be quite good assuming:
The list is relatively stable (not a lot of inserts/deletions, which dictionaries are not optimized for)
The list is quite large (otherwise the overhead of the dictionary is pointless)....
Create table with jQuery - append
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This line:
$('#here_table').append( '<tr><td>' + 'result' + i + '</td></tr>' );
Appends to the div#here_table not the new table.
There are several approaches:
/* Note that the whole content variable is just a string */
var ...
Should flux stores, or actions (or both) touch external services?
...h ways, and after having done both myself (initially going with the former approach), I believe that stores should be dumb recipients of data from the actions, and that asynchronous processing of writes should live in the action creators. (Async reads can be handled differently.) In my experience, t...
Python equivalent of D3.js
...aces on and off, and see data on the hover. Plots can be embedded in HTML, apps, dashboards, and IPython Notebooks. Below is a temperature graph showing interactivity. See the gallery of IPython Notebooks tutorials for more examples.
The docs provides examples of supported plot types and ...