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【解决】undefined reference to \'apr_thread_rwlock_destory\'、undefine...
...reference_apr1、首选确认安装了apr及apr-util否则报错<apr-1 apr_xxx h>头文件找不到。2、-lapr-1 -laprutil-1添加库链接，否则报错：undefined reference to & 39;apr_thread_rwlock_de 1、首选确认安装了apr及apr-util
否则报错“<apr-1/apr_xxx.h>”头文件找...
How to split a long regular expression into multiple lines in JavaScript?
... second parameter
/regex/g => new RegExp('regex', 'g')
[Addition ES20xx (tagged template)]
In ES20xx you can use tagged templates. See the snippet.
Note:
Disadvantage here is that you can't use plain whitespace in the regular expression string (always use \s, \s+, \s{1,x}, \t, \n etc).
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Undo scaffolding in Rails
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You can undo whatever you did with
rails generate xxx
By
rails destroy xxx
For example this applies generators to migration, scaffold, model...etc
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Repeat String - Javascript
...) s += x;
return s;
}
/* Example of output: stringFill1('x', 3) == 'xxx' */
The syntax is here is clear. As you can see, we've used local function variables already, before going on to more optimizations.
Be aware that there's one innocent reference to an object property s.length in the c...
How to implement classic sorting algorithms in modern C++?
... object.
template<class It, class Compare = std::less<>>
void xxx_sort(It first, It last, Compare cmp = Compare{});
In C++11, one can define a reusable template alias to extract an iterator's value type which adds minor clutter to the sort algorithms' signatures:
template<class It...
Search of table names
...
select name
from DBname.sys.tables
where name like '%xxx%'
and is_ms_shipped = 0; -- << comment out if you really want to see them
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... Great stuff. Only thing is: I had to use latest openssl 1.0.Xx for some reason, old 9.X.Xx wasn't working.
– zbstof
Jun 13 '17 at 20:13
1
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Is it possible to start activity through adb shell? [duplicate]
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adb shell am broadcast -a android.intent.action.xxx
Mention xxx as the action that you mentioned in the manifest file.
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How to install latest (untagged) state of a repo using bower?
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You can install a branch in Bower > 1.0.0:
bower install xxx#foo-branch
More details at https://github.com/bower/bower/issues/107#issuecomment-22352689.
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git - Find commit where file was added
...ok/en/v2/Git-Tools-Debugging-with-Git
For example,
git blame -L 174,190 xx.py
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