大约有 16,000 项符合查询结果(耗时:0.0329秒) [XML]
“#include” a text file in a C program as a char[]
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You can make the text of the raw literal a bit more readable if you use 1+R"... as the starting delimiter instead of R"..., and then prepend a newline before Line 1. This will transform the expression from an array to a pointer, but that's not really a problem here, since you'...
How to get the instance id from within an ec2 instance?
...r a substring, which is recalled with \1.) I found this a little easier to read--the only backslashes are those required by sed: EC2_REGION="$(echo "$EC2_AVAIL_ZONE" | sed -e 's:\([0-9][0-9]*\)[a-z]*$:\1:')".
– Mark Berry
Jul 29 '14 at 15:43
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Using curl POST with variables defined in bash script functions
...from all sort of headaches concerning shell quoting and makes it easier to read an maintain the script than feeding the post data on curl's invocation line as in your attempt:
generate_post_data()
{
cat <<EOF
{
"account": {
"email": "$email",
"screenName": "$screenName",
"type...
CentOS 64 bit bad ELF interpreter
...line) support for 32-bit executables
(if you don't use sudo in your setup read note below)
Most desktop Linux systems in the Fedora/Red Hat family:
pkcon install glibc.i686
Possibly some desktop Debian/Ubuntu systems?:
pkcon install ia32-libs
Fedora or newer Red Hat, CentOS:
sudo dnf ins...
How do I contribute to other's code in GitHub? [closed]
...ere's the "list" of requested features thus far. Those features that are already being requested and +1ed.
– Pacerier
May 13 '16 at 12:11
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What can , and be used for?
...t;f:viewAction> is however new since JSF 2.2 (the <f:viewParam> already exists since JSF 2.0). If you can't upgrade, then your best bet is using <f:event> instead.
<f:event type="preRenderView" listener="#{bean.onload}" />
This is however invoked on every request. You need to e...
Is it possible to modify variable in python that is in outer, but not global, scope?
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Until now, I already have two python tips that are simple, but very helpful: yours is the second one :) Thanks @kindall!
– swdev
Sep 22 '14 at 23:35
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Fastest way to reset every value of std::vector to 0
... "... not conclusive ..." IMO this inconclusiveness in itself is already a good point for doing benchmarks, more often than not the Optimizer already does a very good job for the kind of situations the OP asked about. And I'd modify your last sentence to read "If there's no significant perfo...
How can I explicitly free memory in Python?
...dn't. And neither would any other language, really. The problem is that he reads in large amounts of data into a list, and the data is too large for the memory.
– Lennart Regebro
Aug 22 '09 at 19:27
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Multiple commands on a single line in a Windows batch file
... the same time however since environment variables tend to be evaluated on read rather than execute.
You can get round this by turning on delayed expansion:
pax> cmd /v:on /c "echo !time! & ping 127.0.0.1 >nul: & echo !time!"
15:23:36.77
15:23:39.85
That's needed from the command l...
