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...tid]: This uses the thread ID as a key. There may be ma<em>nem>y reads i<em>nem>-flight, <em>a<em>nem>dem> we wa<em>nem>t to store a start timestamp to each. How? We could co<em>nem>struct a u<em>nem>ique ide<em>nem>tifier for each read, <em>a<em>nem>dem> use that as the key. But because ker<em>nem>el threads ca<em>nem> o<em>nem>ly be executi<em>nem>g o<em>nem>e syscall at a time, we ca<em>nem> use the thread...
How ca<em>nem> I reverse a list i<em>nem> Pytho<em>nem>?
...ci<em>nem>g, such as ra<em>nem>ge(1,4)[::-1], reversed() is easier to read, ru<em>nem>s faster, <em>a<em>nem>dem> uses substa<em>nem>tially less memory. "
– Jim Oldfield
Aug 20 '16 at 15:55
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How to redirect <em>a<em>nem>dem> appe<em>nem>d both stdout <em>a<em>nem>dem> stderr to a file with Bash?
...left to right as follows:
>>file.txt: Ope<em>nem> file.txt i<em>nem> appe<em>nem>d mode <em>a<em>nem>dem> redirect stdout there.
2>&1: Redirect stderr to "where stdout is curre<em>nem>tly goi<em>nem>g". I<em>nem> this case, that is a file ope<em>nem>ed i<em>nem> appe<em>nem>d mode. I<em>nem> other words, the &1 reuses the file descriptor which stdout curre<em>nem>tly us...
What are the details of “Objective-C Literals” me<em>nem>tio<em>nem>ed i<em>nem> the Xcode 4.4 release <em>nem>otes?
I was goi<em>nem>g through the release <em>nem>otes for Xcode 4.4 <em>a<em>nem>dem> <em>nem>oticed this:
3 A<em>nem>swers
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Crash logs ge<em>nem>erated by iPho<em>nem>e Simulator?
...crash is the first sub-folder. I<em>nem>side that, start by looki<em>nem>g at stderr.log <em>a<em>nem>dem> system.log.
Also directly u<em>nem>der CoreSimulator, see CoreSimulator.log <em>a<em>nem>dem> Simulator.log.
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Remove HTML tags from a Stri<em>nem>g
..., which is very useful if you wa<em>nem>t to allow o<em>nem>ly e.g. <b>, <i> <em>a<em>nem>dem> <u>.
See also:
RegEx match ope<em>nem> tags except XHTML self-co<em>nem>tai<em>nem>ed tags
What are the pr<em>osem> <em>a<em>nem>dem> co<em>nem>s of the leadi<em>nem>g Java HTML parsers?
XSS preve<em>nem>tio<em>nem> i<em>nem> JSP/Servlet web applicatio<em>nem>
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Zip lists i<em>nem> Pytho<em>nem>
... a3 a4 a5 a6 a7...
b: b1 b2 b3 b4 b5 b6 b7...
c: c1 c2 c3 c4 c5 c6 c7...
<em>a<em>nem>dem> "zips" them i<em>nem>to o<em>nem>e list wh<em>osem>e e<em>nem>tries are 3-tuples (ai, bi, ci). Imagi<em>nem>e drawi<em>nem>g a zipper horizo<em>nem>tally from left to right.
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foreach with i<em>nem>dex [duplicate]
Is there a C# equivale<em>nem>t of Pytho<em>nem>'s e<em>nem>umerate() <em>a<em>nem>dem> Ruby's each_with_i<em>nem>dex ?
10 A<em>nem>swers
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Usi<em>nem>g querySelector with IDs that are <em>nem>umbers
From what I u<em>nem>derst<em>a<em>nem>dem> the HTML5 spec lets you use IDs that are <em>nem>umbers like this.
5 A<em>nem>swers
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Summarizi<em>nem>g multiple colum<em>nem>s with dplyr? [duplicate]
... a bit with the dplyr-sy<em>nem>tax. I have a data frame with differe<em>nem>t variables <em>a<em>nem>dem> o<em>nem>e groupi<em>nem>g variable. <em>Nem>ow I wa<em>nem>t to calculate the mea<em>nem> for each colum<em>nem> withi<em>nem> each group, usi<em>nem>g dplyr i<em>nem> R.
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