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Rebasing remote branches in Git
... be necessary to perform a rebase even with remote branches. The crux is knowing what you are doing. And we should take over that you may be deleting commits in remote repo.
– enagra
Oct 26 '19 at 12:04
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MySQL: selecting rows where a column is null
...= NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute.
– Konerak
Jan 12 '11 at 19:50
1
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Postgresql GROUP_CONCAT equivalent?
...eturns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you have to define it yourself prior to use:
CREATE AGGREGATE array_agg (anyelement)
(
sfunc = array_append,
stype = anyarray,
initcond = '{}'
);
(paraphrased from the...
Including an anchor tag in an ASP.NET MVC Html.ActionLink
...t includes an anchor tag (that is, directing the user to a page, and a specific section of the page).
7 Answers
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What is the colon operator in Ruby?
...e
So, comparing a string to a string using equal? fails because they're different objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster.
user system total real
string 0.370000 0.000000 0....
How to create composite primary key in SQL Server 2008
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What is the diference between using Primary Key and CONSTRAINT like in the example by @matthew-abbott ?
– mateuscb
Oct 6 '11 at 19:57
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Is there a 'box-shadow-color' property?
...
No:
http://www.w3.org/TR/css3-background/#the-box-shadow
You can verify this in Chrome and Firefox by checking the list of computed styles. Other properties that have shorthand methods (like border-radius) have their variations defined in the spec.
As with most missing "long-hand" CSS prope...
MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制 · Ap...
... 搜索 MediaNotification 媒体通知扩展：管理媒体播放器通知，支持播放控制
MediaNotification 媒体通知扩展
下载
.aix拓展...
Set cURL to use local virtual hosts
... url = "curl.haxx.se/docs/manpage.html"
-O
referer = "http://nowhereatall.com/"
# --- End of example file ---
This option can be used multiple times to load multiple config files.
share
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What's the simplest way to test whether a number is a power of 2 in C++?
... 0 is best. However, note that it will incorrectly return true for n=0, so if that is possible, you will want to check for it explicitly.
http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, including this one.
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