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Wildcards in jQuery selectors
...guess with the the more recent releases of jquery (i.e. 1.9) and how the latest changes to attributes and properties are hanlded, the line is slightly blurred with respect to the two and so your able to use the attribute selectors for (at least some) properties.
– johntrepreneu...
How do I force Postgres to use a particular index?
... a particular query plan for all time.
As a very blunt hammer, useful for testing, you can use the enable_seqscan and enable_indexscan parameters. See:
Examining index usage
enable_ parameters
These are not suitable for ongoing production use. If you have issues with query plan choice, you shou...
What's the best way to parse command line arguments? [closed]
...rg part is an empty string.
You then usually want to loop on this list and test the option name as in the example.
I hope this helped you.
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How to make good reproducible pandas examples
...ur code unindented:
In [2]: df
Out[2]:
A B
0 1 2
1 1 3
2 4 6
test pd.read_clipboard(sep='\s\s+') yourself.
* I really do mean small, the vast majority of example DataFrames could be fewer than 6 rowscitation needed, and I bet I can do it in 5 rows. Can you reproduce the error with df ...
Select multiple records based on list of Id's with linq
... .Contains took 2 minutes and 19 seconds! I used pure IEnumerable for this testing to prove my statement. If you use List instead of IEnumerable, .Where and .Contains will be faster. Anyway the difference is significant. The fastest .Where .Contains is with Set<>. All it depends on complexity ...
UICollectionView reloadData not functioning properly in iOS 7
... I'm not sure if I can explain more. After searching, researching, testing and probing. I feel this is an iOS 7 bug. Forcing the main thread will run all UIKit related messages. I seem to run into this when popping to the view from another view controller. I refresh the data on viewWillApp...
How to wait for a BackgroundWorker to cancel?
...erstand your requirement right, you could do something like this (code not tested, but shows the general idea):
private BackgroundWorker worker = new BackgroundWorker();
private AutoResetEvent _resetEvent = new AutoResetEvent(false);
public Form1()
{
InitializeComponent();
worker.DoWork +...
Android: Temporarily disable orientation changes in an Activity
...y works like charm... on real devices !
Don't think that it's broken when testing on the emulator, the ctrl+F11 shortcut ALWAYS change the screen orientation, without emulating sensors moves.
EDIT: this was not the best possible answer. As explained in the comments, there are issues with this meth...
JavaScript: clone a function
What is a fastest way to clone a function in JavaScript (with or without its properties)?
14 Answers
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Get a random item from a JavaScript array [duplicate]
...
Elegant solution. I tested it: var items = ["a","e","i","o","u"] var objResults = {} for(var i = 0; i < 1000000; i++){ var randomElement = items[Math.floor(Math.random()*items.length)] if (objResults[ra...