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What is the difference between square brackets and parentheses in a regex?
... trying to match << or >> or [[ or ]]. But from what you've said, it should be matching < or > or [ or ]. If you use | between [], do the brackets behave differently?
– Daniel Kaplan
Nov 14 '17 at 20:39
...
SQL update trigger only when column is modified
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
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Fragment or Support Fragment?
I am developing an app that supports Android >= 4.0. It uses fragments from the android.app package. As I am facing problems with the older fragment implementation in 4.0, like this one , that are already fixed in the support library, I am considering switching back to the fragment implementation...
'const string' vs. 'static readonly string' in C#
... Yeah I read that as well and had a huh moment. I definitely didn't know that.
– spinon
Jul 6 '10 at 23:22
...
How to create a new database using SQLAlchemy?
...cute() however, because postgres does not allow you to create databases inside transactions, and sqlalchemy always tries to run queries in a transaction. To get around this, get the underlying connection from the engine:
>>> conn = engine.connect()
But the connection will still be insid...
When to use pip requirements file versus install_requires in setup.py?
...l package with pip. You'll never be able to use -U because that might override the dependencies from the requirements file? How do you upgrade?
– Sebastian Blask
Nov 13 '13 at 16:48
...
Suppress command line output
...scriptor 1, and stderr is file descriptor 2 by convention. (0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful becaus...
How do I start a program with arguments when debugging?
...I would suggest using the directives like the following:
static void Main(string[] args)
{
#if DEBUG
args = new[] { "A" };
#endif
Console.WriteLine(args[0]);
}
Good luck!
s...
log4j logging hierarchy order
...ownvoted for your poor terminology: going down, "visibility" works, item. Didn't you wish to explain how logger configuration affects the actual logging (passing log events)? Please consider another update. BTW: the table in the official documentation (at the end of the section) differs in treating ...
How to open every file in a folder?
...uld then open those one by one within the loop.
– David R
Aug 12 '16 at 6:35
To be a true solution this answer should ...