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How to convert an NSString into an NSNumber
...k if it's related to your locale. The NSNumberFormatter (as far as I know) by default uses the US locale, i.e. expects the decimal separator to be the "." character. If you use "," to separate the fraction, you may need to tell the formatter to use your current locale: [f setLocale:[NSLocale current...
How do I tar a directory of files and folders without including the directory itself?
...e. It works well for hidden files as well. "*" doesn't expand hidden files by path name expansion at least in bash. Below is my experiment:
$ mkdir my_directory
$ touch my_directory/file1
$ touch my_directory/file2
$ touch my_directory/.hiddenfile1
$ touch my_directory/.hiddenfile2
$ cd my_director...
Python argparse: Make at least one argument required
...one)
allow one or two actions to be called (at least one required).
try to by Pythonic (I would rather call it "POSIX"-like)
There are also some implicit requirements when living on command line:
explain the usage to the user in a way which is easy to understand
options shall be optional
allow s...
How do you load custom UITableViewCells from Xib files?
...
Here are two methods which the original author states was recommended by an IB engineer.
See the actual post for more details. I prefer method #2 as it seems simpler.
Method #1:
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITa...
How do I add a linker or compile flag in a CMake file?
... compile a simple "Hello, World!" program it compiles fine. When I test it by adding a simple exception handling in that code it works too (after adding -fexceptions .. I guess it is disabled by default).
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Practicing BDD with python [closed]
...ven Development? Especially finding similar tools as rspec and mocha for ruby would be great.
10 Answers
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Difference between global and device functions
... explain it with an example:
main()
{
// Your main function. Executed by CPU
}
__global__ void calledFromCpuForGPU(...)
{
//This function is called by CPU and suppose to be executed on GPU
}
__device__ void calledFromGPUforGPU(...)
{
// This function is called by GPU and suppose to be exe...
Differences between Line and Branch coverage
...n column header is clicked:
Line Coverage - The percent of lines executed by this test run.
Branch Coverage - The percent of branches executed by this test run.
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Default initialization of std::array?
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By definition, default initialization is the initialization that occurs when no other initialization is specified; the C++ language guarantees you that any object for which you do not provide an explicit initializer will be d...
Why charset names are not constants?
Charset issues are confusing and complicated by themselves, but on top of that you have to remember exact names of your charsets. Is it "utf8" ? Or "utf-8" ? Or maybe "UTF-8" ? When searching internet for code samples you will see all of the above. Why not just make them named constants and use ...