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What is :: (double colon) in Python when subscripting sequences?
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164
Python sequence slice addresses can be written as a[start:end:step] and any of start, stop or e...
What is the meaning of “non temporal” memory accesses in x86
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to convert a SVG to a PNG with ImageMagick?
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Try svgexport:
svgexport input.svg output.png 64x
svgexport input.svg output.png 1024:1024
svgexport is a simple cross-platform command line tool that I have made for exporting svg files to jpg and png, see here for more options. To install svgexport install npm, then ...
PHP编译安装时常见错误解决办法，php编译常见错误 - 更多技术 - 清泛网 - ...
...stall
added 20141003：
Cannot find imap
代码如下:
ln -s /usr/lib64/libc-client.so /usr/lib/libc-client.so
configure: error: utf8_mime2text() has new signature, but U8T_CANONICAL is missing.
代码如下:
yum -y install libc-client-devel
Cannot find ldap.h
代码如下:
yum -y in...
How do I get PyLint to recognize numpy members?
... This helped! on VSCode 1.12.2 confirmed it works on WIndows 10 x64.
– Simara
May 22 '17 at 18:18
9
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Func delegate with no return type
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FYI, the next version of the base class library will include Func and Action types that support more than four formal parameters. I don't recall exactly how big they get.
– Eric Lippert
May 27 '09 at 20:08
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How to read a file into a variable in shell?
...lem for the:
value="$(cat config.txt)"
type solutions, but not for read based solutions.
Command expansion removes trailing newlines:
S="$(printf "a\n")"
printf "$S" | od -tx1
Outputs:
0000000 61
0000001
This breaks the naive method of reading from files:
FILE="$(mktemp)"
printf "a\n\n" &...
PHP: Storing 'objects' inside the $_SESSION
...n:
Whether you save objects in $_SESSION, or reconstruct them whole cloth based on data stashed in hidden form fields, or re-query them from the DB each time, you are using state. HTTP is stateless (more or less; but see GET vs. PUT) but almost everything anybody cares to do with a web app require...
Clear form fields with jQuery
...hecked').removeAttr('selected').not(':checkbox, :radio, select').val(''); (based on Jeppe Mariager-Lam's comment)
– Konstantin Pereiaslov
Oct 16 '13 at 10:32
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How to measure code coverage in Golang?
... CL pending, but the cov binary time stamp I see in ~/go/pkg/tool/linux_amd64 matches my last Go build of yesterday.
– zzzz
May 9 '12 at 13:47
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