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Python, remove all non-alphabet chars from string
...
123
Use re.sub
import re
regex = re.compile('[^a-zA-Z]')
#First parameter is the replacement, se...
Record file copy operation with Git
...th change tracking in a range. Git log allows a range argument (git log -L123,456:file.xyz) that properly follows renames, but not copies, and you can't pass --follow in that case; also, AFAICT, this doesn't work with git blame.
– Clément
Jan 10 at 20:48
...
Link to the issue number on GitHub within a commit message
...ssue tracker, put references to them at the bottom,
like this:
Resolves: #123
See also: #456, #789
You can also reference the repositories:
githubuser/repository#issue_number
share
|
improve th...
What is the 'dynamic' type in C# 4.0 used for?
...'ve been using C# so long that it just feels "wrong" to me.
dynamic foo = 123;
foo = "bar";
OK, so you most likely will not be writing code like the above very often. There may be times, however, when variable reuse can come in handy or clean up a dirty piece of legacy code. One simple case I run...
Hidden Features of Visual Studio (2005-2010)?
...
123
votes
Make a selection with ALT pressed - selects a square of text instead of who...
iterating over and removing from a map [duplicate]
...g> map = new HashMap<String, String>() {
{
put("test", "test123");
put("test2", "test456");
}
};
for(Iterator<Map.Entry<String, String>> it = map.entrySet().iterator(); it.hasNext(); ) {
Map.Entry<String, String> entry = it.next();
if(entry.getKey().eq...
Associativity of “in” in Python?
...
123
1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in []...
Get current batchfile directory
...
123
Very simple:
setlocal
cd /d %~dp0
File.exe
...
Remove duplicated rows
...for larger data sets
library(microbenchmark)
library(data.table)
set.seed(123)
DF <- as.data.frame(matrix(sample(1e8, 1e5, replace = TRUE), ncol = 10))
DT <- copy(DF)
setDT(DT)
microbenchmark(unique(DF), unique(DT))
# Unit: microseconds
# expr min lq mean median ...
ImportError: No module named apiclient.discovery
...
123
apiclient was the original name of the library.
At some point, it was switched over to be goog...