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Is there an alternative to string.Replace that is case-insensitive?
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While unit testing this I ran into the case where it would never return when oldValue == newValue == "".
– Ishmael
Mar 28 '13 at 19:10
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How to read a single character from the user?
...har.readchar()))
print("Reading a key:")
print(repr(readchar.readkey()))
Tested on Windows and Linux with Python 2.7.
On Windows, only keys which map to letters or ASCII control codes are supported (Backspace, Enter, Esc, Tab, Ctrl+letter). On GNU/Linux (depending on exact terminal, perhaps?) you...
Check if a row exists, otherwise insert
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Pass updlock, rowlock, holdlock hints when testing for existence of the row.
begin tran /* default read committed isolation level is fine */
if not exists (select * from Table with (updlock, rowlock, holdlock) where ...)
/* insert */
else
/* update */
com...
How can I detect the touch event of an UIImageView?
...ew:single_view];
self.myScrollView.userInteractionEnabled = YES;
UILabel *testLabel = [[UILabel alloc] initWithFrame:CGRectMake(100, 100, 100, 100)];
testLabel.backgroundColor = [UIColor redColor];
[self.myScrollView addSubview:testLabel];
[testLabel addGestureRecognizer:singleTap];
[testLabel setM...
How to implement an ordered, default dict? [duplicate]
... @Neil G: You probably should just use the built-in callable() function to test default_factory. Using isinstance(default_factory, Callable) actually requires it to have more than just callability -- see the docs -- which is all that's is needed here.
– martineau
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Nginx location priority
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There is a handy online testing tool for location priority now:
location priority testing online
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How do I grab an INI value within a shell script?
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Just include your .ini file into bash body:
File example.ini:
DBNAME=test
DBUSER=scott
DBPASSWORD=tiger
File example.sh
#!/bin/bash
#Including .ini file
. example.ini
#Test
echo "${DBNAME} ${DBUSER} ${DBPASSWORD}"
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Validating IPv4 addresses with regexp
....1.255.1
127.1
192.168.1.256
-1.2.3.4
1.1.1.1.
3...3
Try online with unit tests: https://www.debuggex.com/r/-EDZOqxTxhiTncN6/1
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Search and replace a line in a file in Python
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The shortest way would probably be to use the fileinput module. For example, the following adds line numbers to a file, in-place:
import fileinput
for line in fileinput.input("test.txt", inplace=True):
print('{} {}'.format(file...
StringIO in Python3
...ule StringIO is gone and from io import BytesIO should be applied instead. Tested myself on python 3.5 @ eclipse pyDev + win7 x64. Please let me know if I were wrong thanks.
– Bill Huang
Mar 5 '16 at 17:16
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