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How to escape indicator characters (i.e. : or - ) in YAML
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edited May 9 '16 at 12:05
Der Hochstapler
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UITableView row animation duration and completion callback
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edited Jun 29 '17 at 8:05
edzio27
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answered Oc...
Getting a timestamp for today at midnight?
...ateTimeImmutable('today'))->format('Y-m-d H:i:s');
// will output: 2019-05-16 00:00:00
and:
echo (new \DateTimeImmutable())->format('Y-m-d H:i:s');
echo (new \DateTimeImmutable('now'))->format('Y-m-d H:i:s');
// will output: 2019-05-16 14:00:35
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Java “lambda expressions not supported at this language level”
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answered Mar 28 '14 at 5:05
Abhilash DivakaranAbhilash Divakaran
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What happens to a declared, uninitialized variable in C? Does it have a value?
... SO answer deals with that question, see: https://stackoverflow.com/a/2091505/140740
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Context switches much slower in new linux kernels
...mask(SIG_BLOCK, [CHLD], [], 8) = 0
0.000028 rt_sigaction(SIGRT_1, {0x37f8c052b0, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x37f8c0e4c0}, NULL, 8) = 0
0.000027 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
0.000027 rt_sigaction(SIGRTMIN, {0x37f8c05370, [], SA_RESTORER|SA_SIGINFO, 0x37f8c0e4c0}, NULL,...
Difference between open and codecs.open in Python
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Since Python 2.6, a good practice is to use io.open(), which also takes an encoding argument, like the now obsolete codecs.open(). In Python 3, io.open is an alias for the open() built-in. So io.open() works in Python 2.6 and all later versions, including Python 3....
Is floating-point math consistent in C#? Can it be?
...ers.
– Cole Johnson
Feb 13 '15 at 1:05
2
If you're going to do any of these, you might as well tr...
How to set environment variables in Python?
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Environment variables must be strings, so use
os.environ["DEBUSSY"] = "1"
to set the variable DEBUSSY to the string 1.
To access this variable later, simply use:
print(os.environ["DEBUSSY"])
Child processes automatically inherit the environm...
Change Oracle port from port 8080
... 10.2.0.1.0 - Production on Tue Aug 26 10:40:44 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
SQL> connect
Enter user-name: system
Enter password: <enter password if will not be visible>
Connected.
SQL> Exec DBMS_XDB.SETHTTPPORT(3010); [Assuming you want to have HTTP goi...