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SQL Server : GROUP BY clause to get comma-separated values [duplicate]
...a.ReportId
FOR XML PATH('')), 1, 2, '')
FROM your_table a
GROUP BY ReportId
SQL fiddle demo
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How to copy JavaScript object to new variable NOT by reference? [duplicate]
... data gets updated as well. This must mean that the JSON object was passed by reference, right?
2 Answers
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Service and Characteristic are not published by the connected device -...
Service and Characteristic are not published by the connected device，报错如下：
问题原因：硬件/蓝牙芯片问题导致的，比如A硬件测试好的，换了B硬件没有修改uuid，就出现这个报错。
由于B硬件没有发布这些特征，就会报这个错误。
JPQL IN clause: Java-Arrays (or Lists, Sets…)?
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The oracle limit is 1000 parameters. The issue has been resolved by hibernate in version 4.1.7 although by splitting the passed parameter list in sets of 500
see JIRA HHH-1123
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Beautiful Soup and extracting a div and its contents by ID
... just can't find divs inside divs, so i need to narrow things down wrapper by wrapper.
– Tony Stark
Jan 25 '10 at 22:59
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bash HISTSIZE vs. HISTFILESIZE?
... only commands 41 to 50 are in your history list, whose size is determined by HISTSIZE=10.
You end your session.
Assuming histappend is not enabled, commands 41 to 50 are saved to your HISTFILE which now has the 10 commands it held at the beginning plus the 10 newly written commands.
Your HISTFILE ...
What is a “translation unit” in C++
I am reading at the time the "Effective C++" written by Meyers
and came across the term "translation unit".
11 Answers
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How can I make Jenkins CI with Git trigger on pushes to master?
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As already noted by gezzed in his comment, meanwhile there is a good solution (described in Polling must die: triggering Jenkins builds from a Git hook):
Set the Jenkins job's build trigger to Poll SCM, but do not specify a schedule.
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The most efficient way to implement an integer based power function pow(int, int)
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Exponentiation by squaring.
int ipow(int base, int exp)
{
int result = 1;
for (;;)
{
if (exp & 1)
result *= base;
exp >>= 1;
if (!exp)
break;
base *= base;
}...
What is meant by Ems? (Android TextView)
What is meant by Ems (related to a TextView)? For example in
6 Answers
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