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Reference — What does this symbol mean in PHP?
... only for integers. It doesn't work for non-integer numbers, because usort casts your comparator function's return values to int, which means 0.5 gets cast to 0, which means that two numbers with a difference of less than 1, such as 4 and 4.6, may (depending upon which one gets passed as the first a...
How to exit from Python without traceback?
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You are presumably encountering an exception and the program is exiting because of this (with a traceback). The first thing to do therefore is to catch that exception, before exiting cleanly (maybe with a message, example given).
Try something like this in your main r...
Location Manager Error : (KCLErrorDomain error 0)
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I still had to "Reset Content and Settings" to get the delegate to call didUpdate instead of didFail after setting a default location in the scheme editor. Then it worked fine.
– owenfi
Sep 9 '15 at 21:26
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How can I convert a stack trace to a string?
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Fyi, the package has changed and the class is now at: org.apache.commons.lang3.exception.ExceptionUtils.
– schmmd
Nov 13 '13 at 23:18
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How to import classes defined in __init__.py
...py
|-- helper.py
`-- settings.py
2 directories, 6 files
The command:
$ python import_submodule.py
Output:
settings
helper
Helper in lib.settings
someobject
Helper in lib.foo.someobject
# ./import_submodule.py
import fnmatch, os
from lib.settings import Values
from lib import Helper
...
How do I determine which iOS SDK I have?
...), especially during betas, the best place to check which version of Xcode and related SDKs you have installed is to use "System Information".
Apple Menu > About This Mac > System Report > Software > Developer
Once there, you'll see version and build numbers for all of the major compon...
Cross-platform way of getting temp directory in Python
... be the tempfile module.
It has functions to get the temporary directory, and also has some shortcuts to create temporary files and directories in it, either named or unnamed.
Example:
import tempfile
print tempfile.gettempdir() # prints the current temporary directory
f = tempfile.TemporaryFil...
How to do a non-greedy match in grep?
I want to grep the shortest match and the pattern should be something like:
7 Answers
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How to implement the factory method pattern in C++ correctly
...f.registerType<Descendant2>("Descendant2");
Descendant1* d1 = static_cast<Descendant1*>(f.create("Descendant1"));
Descendant2* d2 = static_cast<Descendant2*>(f.create("Descendant2"));
BaseClass *b1 = f.create("Descendant1");
BaseClass *b2 = f.create("Descendant2");
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Storing DateTime (UTC) vs. storing DateTimeOffset
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although you could just cast the DTO to a DT since the DT base is UTC (although this would be an extra step for everyone using the database, and is arguably no simpler than just using UTC time alone)
– iliketocode
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