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What is the most efficient way to store tags in a database?
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answered Dec 2 '08 at 15:05
Simon ScarfeSimon Scarfe
8,10833 gold badges2525 silver badges3131 bronze badges
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How to output messages to the Eclipse console when developing for Android
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answered Jun 9 '10 at 16:25
m6ttm6tt
4,20311 gold badge1919 silver badges2020 bronze badges
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bash assign default value
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209
Use a colon:
: ${A:=hello}
The colon is a null command that does nothing and ignores its arg...
传感器组件 · App Inventor 2 中文网
...成部分是：
X分量：当手机静止在平坦表面上时为 0，当手机倾斜时为正向右（即左侧抬起），当手机倾斜到右侧时为负向左（即，其右侧尺寸升高）。
Y分量：当手机静止在平坦表面上时为0，当底部抬起时为正，...
Error: No default engine was specified and no extension was provided
...ually also have message in the returned object:
res.status(err.status || 500);
res.json({
message: err.message,
error: err
});
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CSS Selector that applies to elements with two classes
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760
Chain both class selectors (without a space in between):
.foo.bar {
/* Styles for element(s...
Media Queries - In between two widths
... queries to make a class that only appears when the width is greater than 400px and less than 900px. I know this is probably extremely simple and I am missing something obvious, but I can't figure it out. What I have come up with is the below code, appreciate any help.
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What is the relationship between the docker host OS and the container base image OS?
...er that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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String literals and escape characters in postgresql
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edited Mar 4 '10 at 23:08
answered Aug 4 '08 at 1:07
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Which $_SERVER variables are safe?
...How safe is $_SERVER[“HTTP_HOST”]?.
Also see http://shiflett.org/blog/2006/mar/server-name-versus-http-host.
‡ See https://bugs.php.net/bug.php?id=64457, http://httpd.apache.org/docs/current/mod/core.html#usecanonicalphysicalport, http://httpd.apache.org/docs/2.4/mod/core.html#comment_999
En...