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Android: How can I validate EditText input?
....(IMHO,It would annoy the user) I have been experimenting with TextView.setError() (developer.android.com/reference/android/widget/…
– Niks
Nov 22 '10 at 15:01
1
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Enum Naming Convention - Plural
...th either of the following:
public enum OrderStatus { Pending, Fulfilled, Error };
public class SomeClass {
public OrderStatus OrderStatus { get; set; }
}
or
public enum OrderStatus { Pending, Fulfilled, Error };
public class SomeClass {
public OrderStatus Status { get; set; }
}
...
Convert RGBA PNG to RGB with PIL
...
This code was causing a error for me: tuple index out of range. I fixed this by following another question(stackoverflow.com/questions/1962795/…). I had to convert the PNG to RGBA first and then slice it: alpha = img.split()[-1] then use that on t...
Calling Java from Python
...pto in my .jar file. I get from py4j.reflection import MethodInvoker ImportError: No module named reflection
– Vishal Sahu
Jun 14 '16 at 17:55
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Using try vs if in python
...import timeit
>>> timeit.timeit(setup="a=1;b=1", stmt="a/b") # no error checking
0.06379691968322732
>>> timeit.timeit(setup="a=1;b=1", stmt="try:\n a/b\nexcept ZeroDivisionError:\n pass")
0.0829463709378615
>>> timeit.timeit(setup="a=1;b=0", stmt="try:\n a/b\nexcept ZeroD...
Can you use a trailing comma in a JSON object?
...ves a lot of time. It's annoying, I wish there were an option to throw an error for this with firefox (since that would help with debugging).
– rocketmonkeys
Aug 30 '11 at 18:16
4...
How can I find out what version of git I'm running?
...d."
That will echo "Git is installed" if it is, otherwise, it'll echo an error message. You can use this for scripts that use git
It's also customizable, so you can change "which git" to "which java" or something, and change the error message.
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Programmatically saving image to Django ImageField
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I am getting error like this : prohibited to prevent data loss due to unsaved related object 'stream'.
– Dipak
Jun 17 '16 at 9:01
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IIS Express Windows Authentication
...velopment cruft in the web.config.
Further, it will probably lead to an error when deployed to IIS 7.5 unless you follow the "unlock" procedure on your IIS server's applicationHost.config.
The UI-based solution above uses site-specific location elements in IIS Express's applicationHost.config...
How to stop /#/ in browser with react-router?
...on with exact version numbers for react and react-router, failing code and errors received.
– pxwise
Apr 6 '15 at 22:06
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