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What's the common practice for enums in Python? [duplicate]
... late, but you can also do Shaded, Shiny, Transparent, Matte = range(1, 5) if you don't like having the _unused there
– Davy8
Jan 30 '11 at 17:42
4
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Android SharedPreference security
...ctory with filesystem permissions set that only allow the UID that the specific application runs with to access them. So, they are private in so much as Linux file permissions restrict access to them, the same as on any Linux/Unix system.
Anyone with root level access to the device will be able to ...
Why is the Java main method static?
... there would be ambiguity: which constructor should be called? Especially if your class looks like this:
public class JavaClass{
protected JavaClass(int x){}
public void main(String[] args){
}
}
Should the JVM call new JavaClass(int)? What should it pass for x?
If not, should the JVM ins...
SQL Switch/Case in 'where' clause
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This is will give a slightly different result as the Case statement exits after a condition is met - but the OR syntax will evaluate all the possibilities
– tember
May 12 '15 at 18:27
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How do I disable text selection with CSS or JavaScript? [duplicate]
...
Note that it's a non-standard feature (i.e. not a part of any specification). It is not guaranteed to work everywhere, and there might be differences in implementation among browsers and in the future browsers can drop support for it.
More information can be found in Mozilla Developer Ne...
How can I read a text file in Android?
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If you have one empty row in your txt doc, this parser will stop working! The solution is to admit having this empty rows: while ((line = br.readLine()) != null) { if(line.length() > 0) { //do your stuff } ...
Django filter versus get for single object?
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get() is provided specifically for this case. Use it.
Option 2 is almost precisely how the get() method is actually implemented in Django, so there should be no "performance" difference (and the fact that you're thinking about it indicates you're...
Why does Convert.ToString(null) return a different value if you cast null?
...String(string s);
The C# compiler essentially tries to pick the most specific overload which will work with the input. A null value is convertible to any reference type. In this case string is more specific than object and hence it will be picked as the winner.
In the null as object you've so...
What's the meaning of * (asterisk) in XAML ColumnDefinition?
...ny available remaining space
The * is prefixed by a number (default is 1 if no number is specified). The available space is divided among the starred columns in proportion to the prefix number.
If you have this definition
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.07*"/>
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How to debug PDO database queries?
...fore moving to PDO, I created SQL queries in PHP by concatenating strings. If I got database syntax error, I could just echo the final SQL query string, try it myself on the database, and tweak it until I fixed the error, then put that back into the code.
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