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How can I match a string with a regex in Bash?
...n the comment above, We need to store the regex on a var
The variable BASH_REMATCH is set after you match the expression, and ${BASH_REMATCH[n]} will match the nth group wrapped in parentheses ie in the following ${BASH_REMATCH[1]} = "compressed" and ${BASH_REMATCH[2]} = ".gz"
if [[ "compressed.gz...
Proper way to use **kwargs in Python
...icular default value, why not use named arguments in the first place?
def __init__(self, val2="default value", **kwargs):
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What does “dereferencing” a pointer mean?
...hat can be written to, then you can do things like this:
int x = 2;
int* p_x = &x; // Put the address of the x variable into the pointer p_x
*p_x = 4; // Change the memory at the address in p_x to be 4
assert(x == 4); // Check x is now 4
Above, you must have known at compile time that ...
iPhone UITextField - Change placeholder text color
...orUndefinedKey:]: this class is not key value coding-compliant for the key _field.
– i_am_jorf
Apr 9 '14 at 19:27
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Illegal pattern character 'T' when parsing a date string to java.util.Date
...Zone UTC;
/**
* @see <a href="http://en.wikipedia.org/wiki/ISO_8601#Combined_date_and_time_representations">Combined Date and Time Representations</a>
*/
public static final String ISO_8601_24H_FULL_FORMAT = "yyyy-MM-dd'T'HH:mm:ss.SSSXXX";
/**
* 0001-01-01T00...
What is the best way to call a script from another script?
...e usual way to do this is something like the following.
test1.py
def some_func():
print 'in test 1, unproductive'
if __name__ == '__main__':
# test1.py executed as script
# do something
some_func()
service.py
import test1
def service_func():
print 'service func'
if __name...
How to schedule a function to run every hour on Flask?
...om apscheduler.schedulers.background import BackgroundScheduler
def print_date_time():
print(time.strftime("%A, %d. %B %Y %I:%M:%S %p"))
scheduler = BackgroundScheduler()
scheduler.add_job(func=print_date_time, trigger="interval", seconds=3)
scheduler.start()
# Shut down the scheduler when ...
Find UNC path of a network drive?
...
The answer is a simple PowerShell one-liner:
Get-WmiObject Win32_NetworkConnection | ft "RemoteName","LocalName" -A
If you only want to pull the UNC for one particular drive, add a where statement:
Get-WmiObject Win32_NetworkConnection | where -Property 'LocalName' -eq 'Z:' | ft "Remo...
Are unused CSS images downloaded?
... </style>
</head>
<body>
<?php if(isset($_GET['foo'])) {
file_put_contents('test.txt', $_SERVER['HTTP_USER_AGENT']);
} ?>
</body>
</html>
If test.txt is populated with the browser's user agent, then the image is downloaded. This was not the ...
RE error: illegal byte sequence on Mac OS X
...
However, the same effect can be had ad-hoc for a single command only:
LC_ALL=C sed -i "" 's|"iphoneos-cross","llvm-gcc:-O3|"iphoneos-cross","clang:-Os|g' Configure
Note: What matters is an effective LC_CTYPE setting of C, so LC_CTYPE=C sed ... would normally also work, but if LC_ALL happens to ...