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Set a DateTime database field to “Now”
...s with SQL parameters. It I set a DateTime parameter to the value DateTime.Now, what will my request look like ?
3 Answers
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Why should the “PIMPL” idiom be used? [duplicate]
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It's a pain to maintain though. But then again, if it is a library class the methods should not be changed much anyway. The code I'm looking at seems to be taking the safe road and using pimpl everywhere.
– JeffV
Sep 13 '08 at 15:23
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psql: FATAL: Ident authentication failed for user “postgres”
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If you set PGHOST=localhost you don't need to specify the -h option every time. This also works with other pg_* commands such as pg_dump.
– Sameer
Aug 31 '12 at 18:39
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JQuery to load Javascript file dynamically
I have a very large javascript file I would like to load only if the user clicks on a certain button. I am using jQuery as my framework. Is there a built-in method or plugin that will help me do this?
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What is the difference between SIGSTOP and SIGTSTP?
Just wondering about the difference between SIGSTOP and SIGTSTP signals.
3 Answers
3...
Join strings with a delimiter only if strings are not null or empty
This feels like it should be simple, so sorry if I'm missing something here, but I'm trying to find a simple way to concatenate only non-null or non-empty strings.
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Should I index a bit field in SQL Server?
... integer column, SQL's index contains a set of rows for each index value. If you have a range of 1 to 10, then you would have 10 index pointers. Depending on how many rows there are this can be paged differently. If your query looks for the index matching "1" and then where Name contains "Fred" (...
ManyRelatedManager object is not iterable
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Try
matches = [val for val in Store.attribute_answers.all() if val in WishList.attribute_answers.all()]
Notice the parenthesis at the end of WishList.attribute_answers.all(). Adding the parenthesis invokes the all function to return an iterable.
If you include the parenthesis you'...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网 - ...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...
C#定点任务代码 类似Windows计划任务（健壮性高） - 更多技术 - 清泛网 - ...
...间隔
SetNextOnceDoInterval();
if (DateTime.Now.ToString("HH:mm").CompareTo(onceDoStr.Trim()) >= 0)
{
// 可能由于系统原因导致触发过早的，不执行
onceDoMain();
}
}
/// <summa...