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How to insert a line break in a SQL Server VARCHAR/NVARCHAR string
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To test your output, if using SSMS make sure the option Retain CR/LF on copy or save is checked, else all pasted results will loose the line feed. You find this at settings, query results, sql server, results to grid.
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ORA-01882: timezone region not found
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I had this problem when running automated tests from a continuous integration server. I tried adding the VM argument "-Duser.timezone=GMT" to the build parameters, but that didn't solve the problem. However, adding the environment variable "TZ=GMT" did fix it for me....
Find html label associated with a given input
...t comes to support in different user agents and assistive technologies, so test well and use at your own risk, etc. etc.
Yes, you could also implement this without using jQuery. :-)
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How to do a regular expression replace in MySQL?
...xample execution:
mysql> select regex_replace('[^a-zA-Z0-9\-]','','2my test3_text-to. check \\ my- sql (regular) ,expressions ._,');
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How to use XPath in Python?
... implementation.
Ubiquity. The libxml2 library is pervasive and thus well tested.
Downsides include:
Compliance to the spec. It's strict. Things like default namespace handling are easier in other libraries.
Use of native code. This can be a pain depending on your how your application is distri...
Real world use cases of bitwise operators [closed]
...hargeable;
Clear CallerIDMissing flag:
flags &= ~CallerIDMissing;
Test whether CallerIDMissing and Chargeable are set:
if((flags & (CallerIDMissing | Chargeable )) == (CallerIDMissing | Chargeable)) {
}
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RegEx: Grabbing values between quotation marks
... (The idea is to discard quickly characters that are not quotes without to test the two branches of the alternation.)
Content between quotes is described with an unrolled loop (instead of a repeated alternation) to be more efficient too: [^"\\]*(?:\\.[^"\\]*)*
Obviously to deal with strings that h...
Lambda expression to convert array/List of String to array/List of Integers
...ut it's still pretty slow (takes about 100 times longer than a for cycle - tested on an array of 6000 0's)
String[] stringArray = ...
int[] out= Arrays.asList(stringArray).stream().map(Integer::parseInt).mapToInt(i->i).toArray();
What this does:
Arrays.asList() converts the array to a List
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How to get .app file of a xcode application
...gned copy for submission but it's good enough to give to somebody else for testing.
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How to go to each directory and execute a command?
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for dir in PARENT/*
do
test -d "$dir" || continue
# Do something with $dir...
done