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How to check if a file exists in Documents folder?
... if it was a main application you'll have access to the entire file system and you'll use the shared Documents directory. If you install it via iTunes or XCode you'll be using your applications' personal directory. It's nice to store files in your local directory for backup purposes.
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Spring JPA selecting specific columns
... answered Feb 25 '14 at 7:43
DurandalDurandal
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Difference between Activity Context and Application Context
This has me stumped, I was using this in Android 2.1-r8 SDK:
7 Answers
7
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Remove trailing zeros
....ToString("G29")
This should work for all input.
Update Check out the Standard Numeric Formats I've had to explicitly set the precision specifier to 29 as the docs clearly state:
However, if the number is a Decimal and the precision specifier is omitted, fixed-point notation is always used an...
Export to CSV via PHP
.... is there a way I can export what I have from the database to a CSV file (and text file [if possible]) via PHP?
7 Answers
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How do I convert a String to an int in Java?
...s function can throw a NumberFormatException, which of course you have to handle:
int foo;
try {
foo = Integer.parseInt(myString);
}
catch (NumberFormatException e)
{
foo = 0;
}
(This treatment defaults a malformed number to 0, but you can do something else if you like.)
Alternatively, you ca...
Naming Classes - How to avoid calling everything a “Manager”? [closed]
... but where possible I try to copy the names already in the .NET framework, and I look for ideas in the Java and Android frameworks.
It seems Helper, Manager, and Util are the unavoidable nouns you attach for coordinating classes that contain no state and are generally procedural and static. An alte...
Count Rows in Doctrine QueryBuilder
I'm using Doctrine's QueryBuilder to build a query, and I want to get the total count of results from the query.
10 Answ...
How to implement static class member functions in *.cpp file?
...foo() {
helper::fn1();
helper::fn2();
}
To know more about how c++ handles static functions visit: Are static member functions in c++ copied in multiple translation units?
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“Least Astonishment” and the Mutable Default Argument
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Actually, this is not a design flaw, and it is not because of internals, or performance.
It comes simply from the fact that functions in Python are first-class objects, and not only a piece of code.
As soon as you get to think into this way, then it completely ...