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How to concatenate text from multiple rows into a single text string in SQL server?
Consider a database table holding names, with three rows:
47 Answers
47
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Is there a RegExp.escape function in Javascript?
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The function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
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xcopy file, rename, suppress “Does xxx specify a file name…” message
...ld I, in one command, copy a file from one directory to another and rename it in the destination directory? Here's my command:
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cleanest way to skip a foreach if array is empty [duplicate]
... a major problem but I was wondering if there is a cleaner way to do this. It would be good to avoid nesting my code with an unnecessary if statement. If $items is empty php throws an error.
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Use a normal link to submit a form
I want to submit a form. But I am not going the basic way of using a input button with submit type but a a link.
7 Answe...
Java code To convert byte to Hexadecimal
...n array of bytes.
I want each byte String of that array to be converted to its corresponding hexadecimal values.
19 Answers...
How do I analyze a .hprof file?
I have a production server running with the following flag: - XX:+HeapDumpOnOutOfMemoryError
7 Answers
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When to use std::begin and std::end instead of container specific versions [duplicate]
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If you look at, say, the definition of std::begin:
template< class C >
auto begin( C& c ) -> decltype(c.begin());
You see that all it does is reference the begin() anyway. I suppose a decent compiler will make the difference nil, so I gu...
Which Python memory profiler is recommended? [closed]
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Heapy is quite simple to use. At some point in your code, you have to write the following:
from guppy import hpy
h = hpy()
print(h.heap())
This gives you some output like this:
Partition of a set of 132527 objects. Total size = 8301...
ASP.NET MVC - Set custom IIdentity or IPrincipal
...fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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