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Understanding dispatch_async
...f time for each task.
As per Apple:
https://developer.apple.com/library/content/documentation/General/Conceptual/ConcurrencyProgrammingGuide/OperationQueues/OperationQueues.html
A concurrent dispatch queue is useful when you have multiple tasks that can run in parallel. A concurrent queue is ...
django : using select_related and get_object_or_404 together
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What's the difference between lists enclosed by square brackets and parentheses in Python?
...ile parentheses are tuples.
A list is mutable, meaning you can change its contents:
>>> x = [1,2]
>>> x.append(3)
>>> x
[1, 2, 3]
while tuples are not:
>>> x = (1,2)
>>> x
(1, 2)
>>> x.append(3)
Traceback (most recent call last):
File "&lt...
How to apply a style to an embedded SVG?
... that the <object> has loaded fully:
var svgDoc = yourObjectElement.contentDocument;
var styleElement = svgDoc.createElementNS("http://www.w3.org/2000/svg", "style");
styleElement.tm>ex m>tContent = "svg { fill: #fff }"; // add whatever you need here
svgDoc.getElementById("where-to-insert").append...
How to see which plugins are making Vim slow?
...ectego :set more | verbose function {function_name} will show you function contents and where it is located.
– ZyX
Aug 29 '15 at 19:26
28
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Should bower_components be gitignored?
...ml is a minified version of the app/indm>ex m>.html. The app directory and its contents (including bower_components) contains the source files needed for the output directory (www). You commit source directories into source-control (i.e. git) but not generated files (i.e. www). Package managers like b...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...esystem like, local or hdfs, How hadoop choose to show HDFS root directory content when I do hadoop fs -ls / ? Also, How can I tell hadoop to show my local root directory content when I run the hadoop fs -ls / command ?
– sgsi
Jan 29 '15 at 22:50
...
Getting the value of an attribute in XML
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svn : how to create a branch from certain revision of trunk
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Is it possible to reopen a closed branch in Mercurial?
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