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How can I handle time zones in my webapp?
...down and default to the device timezone (because the user doesn't need to know about them). In either case, have a setting in the app that allows the user to manually show/hide the timezone dropdown.
To summarise the above:
On first run, save what timezone the device is set to.
Use that timezon...
Javascript regex returning true.. then false.. then true.. etc [duplicate]
... end.
[a-z0-9_-]
Whether that would cause this problem or not, I don't know.
Additional notes:
The first and last characters are allowed to be any character that isn't - or _ rather than being restricted to a-z0-9
a-z0-9 doesn't include uppercase characters. You need a-zA-Z0-9 for that.
a-zA-...
What's the better (cleaner) way to ignore output in PowerShell? [closed]
...
I just did some tests of the four options that I know about.
Measure-Command {$(1..1000) | Out-Null}
TotalMilliseconds : 76.211
Measure-Command {[Void]$(1..1000)}
TotalMilliseconds : 0.217
Measure-Command {$(1..1000) > $null}
TotalMilliseconds : 0.2478
Measure-Comm...
How to export all collections in MongoDB?
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Please let us know where you have installed your Mongo DB ? (either in Ubuntu or in Windows)
For Windows:
Before exporting you must connect to your Mongo DB in cmd prompt and make sure that you are able to connect to your local host. ...
Best practices for in-app database migration for Sqlite
...updates in version 2,3,4. The end user only downloaded your version 1, and now upgrade to version 5. What should you do?
– Bagusflyer
Apr 10 '14 at 4:09
6
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
...just implementing the Post / Redirect / Get pattern, so, I don't remember now what exactly was tripping me up. Thanks again for circling back, though.
– aLearner
Jun 29 '13 at 11:07
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Read url to string in few lines of java code
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Now that some time has passed since the original answer was accepted, there's a better approach:
String out = new Scanner(new URL("http://www.google.com").openStream(), "UTF-8").useDelimiter("\\A").next();
If you want a s...
This type of CollectionView does not support changes to its SourceCollection from a thread different
... mistaken, in WPF 4.5, you should be able to do this without any problem.
Now to solve this, you should use the synchronization context. Before you launch the thread, you have to store the synchronization context in the ui thread.
var uiContext = SynchronizationContext.Current;
Then you use it i...
How do I append one string to another in Python?
...ference to a string and you concatenate another string to the end, CPython now special cases this and tries to extend the string in place.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
used to be O(n^2), but now it is O(n).
From the source...
Tracking the script execution time in PHP
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Just adding a small update: This function is now supported on Windows as well.
– ankush981
Jun 21 '15 at 7:30
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