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Django Forms: if not valid, show form with error message
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yes you got it right now. If you have not rendered the form manually then the errors will automatically shown for each field.
– Aamir Adnan
Feb 1 '13 at 14:00
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Does .NET provide an easy way convert bytes to KB, MB, GB, etc.?
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Both examples now use floating point division so there should be much less concern about rounding errors.
– JLRishe
Mar 11 '14 at 6:57
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Performance difference between IIf() and If
...lete.
Like in C#, VB's conditional If operator short-circuits, so you can now safely write the following, which is not possible using the IIf function:
Dim len = If(text Is Nothing, 0, text.Length)
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how to rotate a bitmap 90 degrees
...Hey arvis I tried your suggestion and it works for the orientation however now I am getting a much smaller portrait centered image. Any ideas ?
– Doug Ray
Dec 1 '15 at 2:26
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Sublime Text 2 - Show file navigation in sidebar
...+k ctrl+b or cmd+k cmd+b (MAC) to enable side bar
– snowbound
Sep 26 '14 at 9:16
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How do I get the type of a variable?
...ing (via template CRTP), but in any case the type of the variable must be known to the compiler.
If you are in the position to don't know what it is or could be, it is because you designed something as the language has a dynamic type-system.
If that's the case you had better to re-think your desig...
Simple way to repeat a String in java
...mons method or operator that allows me to repeat some String n times. I know I could write this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere.
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java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
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i removed it, and added the maven dependencies entry, and it works fine now.
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Delete local Git branches after deleting them on the remote repo
...swer here:
https://stackoverflow.com/a/34969726/550454
But essentially, I now have this in my ~/.gitconfig:
[alias]
prune-branches = !git remote prune origin && git branch -vv | grep ': gone]' | awk '{print $1}' | xargs -r git branch -d
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Does Android support near real time push notification?
...y of sending messages to applications running on devices.
Previously (and now deprecated), the service was called Cloud To Device Messaging.
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