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How to disable and re-enable console logging in Python?
...handler will still log messages of severity logging.WARNING and greater to sys.stderr in the absence of other handlers. See my answer.
– Maggyero
Apr 20 at 22:34
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Parse v. TryParse
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If the string can not be converted to an integer, then
int.Parse() will throw an exception
int.TryParse() will return false (but not throw an exception)
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How to convert NSNumber to NSString
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The funny thing is that NSNumber converts to string automatically if it becomes a part of a string. I don't think it is documented.
Try these:
NSLog(@"My integer NSNumber:%@",[NSNumber numberWithInt:184]);
NSLog(@"My float NSNumber:%@",[NSNumber numberWithF...
Detect if stdin is a terminal or pipe?
...ute " python " from the terminal with no arguments it brings up the Python interactive shell.
6 Answers
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How to load all modules in a folder?
...reate an empty __init__.py file under Foo/
Execute
import pkgutil
import sys
def load_all_modules_from_dir(dirname):
for importer, package_name, _ in pkgutil.iter_modules([dirname]):
full_package_name = '%s.%s' % (dirname, package_name)
if full_package_name not in sys.modules...
How to convert std::string to LPCWSTR in C++ (Unicode)
I'm looking for a method, or a code snippet for converting std::string to LPCWSTR
6 Answers
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How to convert a String to its equivalent LINQ Expression Tree?
...edicate and compiled. Question appears to be,, getting your grammar to be converted from 'string' to 'predicate'. // Lambda expression as data in the form of an expression tree. System.Linq.Expressions.Expression<Func<int, bool>> expr = i => i < 5; // Compile the expression tree ...
Convert from ASCII string encoded in Hex to plain ASCII?
How can I convert from hex to plain ASCII in Python?
8 Answers
8
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Filter rows which contain a certain string
..., I will add a toy example using the mtcars data set. Imagine you are only interested in cars produced by Mazda or Toyota.
mtcars$type <- rownames(mtcars)
dplyr::filter(mtcars, grepl('Toyota|Mazda', type))
mpg cyl disp hp drat wt qsec vs am gear carb type
1 21.0 6 160.0 110...
How do I find the location of my Python site-packages directory?
...r user.
Global site-packages ("dist-packages") directories are listed in sys.path when you run:
python -m site
For a more concise list run getsitepackages from the site module in Python code:
python -c 'import site; print(site.getsitepackages())'
Note: With virtualenvs getsitepackages is not...
