大约有 1,077 项符合查询结果（耗时：0.0149秒） [XML]
Count table rows
...innodb it is estimated. but you can use it in some cases "Our website have xxx members", "We detected xxx results similar to yours" and so on.
– Nick
Oct 27 '16 at 14:13
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Convert string to symbol-able in ruby
...s can also be used to create symbols that cannot be represented using the :xxx notation.
'cat and dog'.to_sym #=> :"cat and dog"
But for your example ...
"Book Author Title".gsub(/\s+/, "_").downcase.to_sym
should go ;)
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
... returns an object containing this color information. Its in the form: {r: XXX, g: XXX, b: XXX, a: X.XXX}. Where .r, .g, and .b have range 0 to 255. And when there is no alpha: .a is -1. Otherwise: .a has range 0.000 to 1.000.
For RGB output, it outputs rgba() over rgb() when a color with an alpha c...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...Dir /r "C:\Temp20150606151700"
Q 如何注册控件
RegDLL "$INSTDIR\XXX.ocx"
UnRegDLL "$INSTDIR\XXX.ocx"
Q 如何安装MSXML
# Install MXSML4
IfFileExists "$SYSDIR\msxml4.dll" file_found file_not_found
file_found:
goto continue
file_not_found:
SetOutPath $SYSDIR
SetOverw...
Adjusting and image Size to fit a div (bootstrap)
...itself to fit within the div.
<div class="col-sm-3">
<img src="xxx.png" class="img-responsive" style="padding-top: 5px">
</div>
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Why does changing the sum order returns a different result?
...e dealing with a datatype which can only store 4 significant digits. (so x.xxx * 10^n)
– Jon Skeet
Nov 7 '13 at 20:50
3
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How can I get the root domain URI in ASP.NET?
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Using this method, http:// www.lala.xxx/blah/blah will return http:// www.lala.xxx
– live-love
Mar 14 '16 at 18:00
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Windows batch: sleep [duplicate]
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You can try
ping -n XXX 127.0.0.1 >nul
where XXX is the number of seconds to wait, plus one.
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Read the package name of an Android APK
...d, search for phrase package and you'll find following:
package manifest $xxx.xxxxxxx.xxxxxxx |
where xxx.xxxxxxx.xxxxxxx is your package name, just written with a space after each character.
It's useful way when you don't have any specific tools installed.
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List all tables in postgresql information_schema
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For private schema 'xxx' in postgresql :
SELECT table_name FROM information_schema.tables
WHERE table_schema = 'xxx' AND table_type = 'BASE TABLE'
Without table_type = 'BASE TABLE' , you will list tables and views
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