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How do I parallelize a simple Python loop?
... output3.append(out3)
finish = time.time()
# these kinds of format strings are only available on Python 3.6:
# time to upgrade!
print(f'original inputs: {repr(output1)}')
print(f'total time to execute {sum(output2)} = sum({repr(output2)})')
print(f'time saved by parallelizing...
Where is a complete example of logging.config.dictConfig?
... :param logfile_path: logfile used to the logfile
:type logfile_path: string
This function does:
- Assign INFO and DEBUG level to logger file handler and console handler
"""
dictConfig(DEFAULT_LOGGING)
default_formatter = logging.Formatter(
"[%(asctime)s] [%(leve...
Adjust list style image position?
...ullet.gif) no-repeat left top; /* <-- change `left` & `top` too for extra control */
padding: 3px 0px 3px 10px;
/* reset styles (optional): */
list-style: none;
margin: 0;
}
You might be looking to add styling to the parent list container (ul) to position your bulleted list items, t...
NSUserDefaults - How to tell if a key exists
...l returning nil if the key doesn't exist.
func integerOptional(forKey: String) -> Int? {
return self.object(forKey: forKey) as? Int
}
/// Convenience method to wrap the built-in .double(forKey:) method in an optional returning nil if the key doesn't exist.
func doubleOptio...
jQuery - prevent default, then continue default
...
Great answer! I didn't know that you could pass an extra argument to .trigger()
– James Hibbard
Nov 16 '19 at 12:34
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Extracting specific columns in numpy array
This is an easy question but say I have an MxN matrix. All I want to do is extract specific columns and store them in another numpy array but I get invalid syntax errors.
Here is the code:
...
iPhone UITextField - Change placeholder text color
...
Since the introduction of attributed strings in UIViews in iOS 6, it's possible to assign a color to the placeholder text like this:
if ([textField respondsToSelector:@selector(setAttributedPlaceholder:)]) {
UIColor *color = [UIColor blackColor];
textField....
Java equivalent to #region in C#
...
With Android Studio, try this:
//region VARIABLES
private String _sMyVar1;
private String _sMyVar2;
//endregion
Careful : no blank line after //region ...
And you will get:
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How to migrate GIT repository from one server to a new one
...ation under that section of the config - and cloning it without taking any extra steps will lose branches other than trunk. It's possible to deal with these problems, but, really - just rsync it.
– bdonlan
Sep 28 '09 at 14:13
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How Do I Make Glyphicons Bigger? (Change Size?)
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try to use heading, no need extra css
<h1 class="glyphicon glyphicon-plus"></h1>
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