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How to get first element in a list of tuples?
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From a performance point of view, in python3.X
[i[0] for i in a] and list(zip(*a))[0] are equivalent
they are faster than list(map(operator.itemgetter(0), a))
Code
import timeit
iterations = 100000
init_time = timeit.t...
Linux command or script counting duplicated lines in a text file?
... without the -c or -d flags, uniq doesn't distinguish duplicate lines from non-duplicates, or am I missing something?
– drevicko
Apr 4 '15 at 23:49
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List of all special characters that need to be escaped in a regex
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To escape you could just use this from Java 1.5:
Pattern.quote("$test");
You will match exacty the word $test
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Execute JavaScript code stored as a string
...y function, and execute it. The catch block can then insert error messages from the JavaScript engine into a DOM element and display any errors in the code. If someone wants the function I wrote, then once I've tidied it up, I can post it here.
– David Edwards
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Converting milliseconds to a date (jQuery/JavaScript)
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The OP was about converting from a number of milliseconds to a Date object, which is what the second line does. The first line is just a way of getting a sensible number of milliseconds. You could also just do var date = new Date(0);.
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How can I make space between two buttons in same div?
...It's planned to break for responsiveness. If you really want to prevent it from breaking, then set flex-wrap: nowrap for btn-toolbar in Bootstrap 4 or try with a combination of overflow and white-space for older Bootstrap versions.
– Miroslav Popovic
Mar 5 '18 ...
How do I run Asynchronous callbacks in Playground
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Worth noting that from DP4 the XCPlayground framework is now available for iOS Playgrounds as well.
– ikuramedia
Jul 27 '14 at 4:23
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Create a CSS rule / class with jQuery at runtime
...jected in the header, you can retrieve it anywhere in your page, includind from PHP.
– Brice Coustillas
Sep 30 '17 at 16:29
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In Java, what does NaN mean?
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Taken from this page:
"NaN" stands for "not a number". "Nan"
is produced if a floating point
operation has some input parameters
that cause the operation to produce
some undefined result. For example,
0.0 divided by 0...
GitHub: Permission denied (publickey). fatal: The remote end hung up unexpectedly
...I got this error:
Permission denied (publickey). fatal: Could not read from remote
repository.
Please make sure you have the correct access rights
Thats how I`ve fixed it!!
Go to the project directory using the Terminal and check it out
$git remote -v
You will get something like this...