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Correct way to write line to file?
...
This should be as simple as:
with open('somefile.txt', 'a') as the_file:
the_file.write('Hello\n')
From The Documentation:
Do not use os.linesep as a line terminator when writing files opened in text mode (the default); use a single '\n' instead, on all platforms.
Some useful re...
How to atomically delete keys matching a pattern using Redis
In my Redis DB I have a number of prefix:<numeric_id> hashes.
23 Answers
23
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Excel VBA - exit for loop
...then exit for
However, this is also an option:
Sub some()
Count = 0
End_ = ThisWorkbook.Sheets(1).Range("B1047854").End(xlUp).Row
While Count < End_ And Not ThisWorkbook.Sheets(1).Range("B" & Count).Value = "Artikel"
Count = Count + 1
If ThisWorkbook.Sheets(1).Range("B" & Cou...
Java Security: Illegal key size or default parameters?
...nload link is jce-7-download
Copy the two downloaded jars in Java\jdk1.7.0_10\jre\lib\security
Take a backup of older jars to be on safer side.
For JAVA 8 the download link is jce-8-download
Copy the downloaded jars in Java\jdk1.8.0_45\jre\lib\security
Take a backup of older jars to be on safer ...
How to get one value at a time from a generator function in Python?
...en by subclassing. In Python 3, however, this function has been renamed to __next__(), to be consistent with other special functions.
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How to retry after exception?
... a nice way to retry a block of code on failure.
For example:
@retry(wait_random_min=1000, wait_random_max=2000)
def wait_random_1_to_2_s():
print("Randomly wait 1 to 2 seconds between retries")
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How would I run an async Task method synchronously?
...nizationContext.SetSynchronizationContext(synch);
synch.Post(async _ =>
{
try
{
await task();
}
catch (Exception e)
{
synch.InnerException = e;
throw;
}
...
str performance in python
...; import dis
>>> dis.dis(lambda: str(100000))
8 0 LOAD_GLOBAL 0 (str)
3 LOAD_CONST 1 (100000)
6 CALL_FUNCTION 1
9 RETURN_VALUE
>>> dis.dis(lambda: '%s' % 100000)
9 0 LOAD...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...alid Date in others.
Consider, 02.02.2018,
Chrome - moment("02.02.2018")._d -> Fri Feb 02 2018 00:00:00 GMT+0530 (India Standard Time)
Firefox - moment("02.02.2018")._d -> Invalid Date
Safari - moment("02.02.2018")._d -> Invalid Date
So the moment.js is used at your own risk in case th...
What ReSharper 4+ live templates for C# do you use? [closed]
... With re-sharper, why not use this? private static readonly ILog _Logger = LogManager.GetLogger(typeof($CurrType$)); with $CurrType$:Containing type name
– Henrik
Feb 16 '11 at 13:51
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