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How to import a module given the full path?
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For Python 3.5+ use:
import importlib.util
spec = importlib.util.spec_from_file_location("module.name", "/path/to/file.py")
foo = importlib.util.module_from_spec(spec)
spec.loader.exec_module(foo)
foo.MyClass()
For Python ...
Explicitly calling return in a function or not
...ile back I got rebuked by Simon Urbanek from the R core team (I believe) for recommending a user to explicitly calling return at the end of a function (his comment was deleted though):
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Set breakpoint in C or C++ code programmatically for gdb on Linux
How can I set a breakpoint in C or C++ code programatically that will work for gdb on Linux?
6 Answers
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How can I add reflection to a C++ application?
I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
MySQL, Check if a column exists in a table with SQL
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This works well for me.
SHOW COLUMNS FROM `table` LIKE 'fieldname';
With PHP it would be something like...
$result = mysql_query("SHOW COLUMNS FROM `table` LIKE 'fieldname'");
$exists = (mysql_num_rows($result))?TRUE:FALSE;
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django change default runserver port
...nless it calls the shell using something like call. If this solution works for you please make sure to mark it as solved.
– Pablo Albornoz
May 13 '14 at 20:21
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Convert objective-c typedef to its string equivalent
...are not continguous from 0). Something like this would work:
- (NSString*)formatTypeToString:(FormatType)formatType {
NSString *result = nil;
switch(formatType) {
case JSON:
result = @"JSON";
break;
case XML:
result = @"XML";
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Where do “pure virtual function call” crashes come from?
...lightly wrong: a pure virtual function may still be defined, see Wikipedia for details. Correct phrasing: might not exist
– MSalters
Sep 19 '08 at 10:46
5
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
...t on Oracle's website states that, while there was a fix, it was removed before the JDK was released. I do not know why the fix was removed, but it confirms what we've already suspected -- the JDK is still broken.
The bug report claims that the error is benign and should not cause any run-time prob...
Is there a foreach loop in Go?
Is there a foreach construct in the Go language? Can I iterate over a slice or array using a for ?
8 Answers
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