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How to calculate percentage with a SQL statement
...100 when you're casting the output as a decimal?
– AS91
Sep 7 '16 at 23:20
2
@AS91, because the c...
Python - Get path of root project structure
... method to access files that are installed on your system (e.g pip install xxx or yum -y install python-xxx) and files that are within the module that you're currently working on.
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How to verify Facebook access token?
...rmation.
An example response is:
{
"data": {
"app_id": 138483919580948,
"application": "Social Cafe",
"expires_at": 1352419328,
"is_valid": true,
"issued_at": 1347235328,
"metadata": {
"sso": "iphone-safari"
},
"...
How to debug a single thread in Visual Studio?
...ur breakpoint in the breakpoints window and selecter filter
Enter ThreadId=xxx where xxx is the thread ID from 2
You can now debug without stopping other threads and without them hitting your breakpoint
This assumes you have time to do the above before a second thread hits your breakpoint. If not ...
正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...
其它可用的测试工具:
RegexBuddy
Javascript正则表达式在线测试工具
如果你不觉得正则表达式很难读写的话，要么你是一个天才，要么，你不是地球人。正则表达式的语法很令人头疼，即使对经常使用它的人来说也是如此...
Difference between signed / unsigned char [duplicate]
...Is it binary? If so, then yes. Your 01011011 is a binary representation of 91. So, it represents whatever character has code 91 on your platform ([ on PC, for example).
– AnT
Dec 2 '10 at 17:40
...
NPM - How to fix “No readme data”
...者+日期+功能</span>
dist
.tarball: https://registry.npmjs.org/xxx/-/xxx-0.3.60-beta.tgz
.shasum: 021e30640a62f13905b1e2b7a4facd169df46a1d
.integrity: sha512-9N4pUwwoYGNek34fCCCjURuQdx1K5VBlCWl4t1sy8wi3xul/N/TiDvjmUBF24t2Dg2fX6cFM9on+tftnVaEr7A==
.unpackedSize: 114.5 kB
dependencies:
@ha...
wkhtmltopdf: cannot connect to X server
...d from source
# wget http://downloads.sourceforge.net/project/wkhtmltopdf/xxx.deb
# dpkg -i xxx.deb
3- Try
# wkhtmltopdf http://google.com google.pdf
Its working fine
It works!
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How can I get the latest JRE / JDK as a zip file rather than EXE or MSI installer? [closed]
...
It seems 7-Zip unzipping JRE_xxx.exe file creates installerexe file, unzip it once more to the same folder. JDK_xxx.exe file creates tools.zip to be unzipped once more.
– Whome
Jun 4 '16 at 11:32
...
How can jQuery deferred be used?
... of them had returned. That is,
for (var i=0; i<3; i++) {
getData("xxx");
}
will most likely result in 3 AJAX requests if the result for "xxx" has not already been cached before.
This can be solved by caching the request's Deferreds instead of the result:
var cache = {};
function getDat...