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Can I have an IF block in DOS batch file?
... nested blocks of if statements to handle that.
Secondly, that %GPMANAGER_FOUND% == true test looks mighty suspicious to me. I don't know what the environment variable is set to or how you're setting it, but I very much doubt that the code you've shown will produce the result you're looking for.
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Use gulp to select and move directories and their files
...serve the file structure the way you want:
var filesToMove = [
'./_locales/**/*.*',
'./icons/**/*.*',
'./src/page_action/**/*.*',
'./manifest.json'
];
gulp.task('move',['clean'], function(){
// the base option sets the relative root for the set of files,
// ...
Pandas every nth row
...simpler solution to the accepted answer that involves directly invoking df.__getitem__.
df = pd.DataFrame('x', index=range(5), columns=list('abc'))
df
a b c
0 x x x
1 x x x
2 x x x
3 x x x
4 x x x
For example, to get every 2 rows, you can do
df[::2]
a b c
0 x x x
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How can I create download link in HTML?
... download, use
<a href="http://example.com/files/myfile.pdf" target="_blank">Download</a>
the target=_blank will make a new browser window appear before the download starts. That window will usually be closed when the browser discovers that the resource is a file download.
Note tha...
Concurrent.futures vs Multiprocessing in Python 3
...o make it work:
from concurrent.futures import ProcessPoolExecutor
def pool_factorizer_map(nums, nprocs):
# Let the executor divide the work among processes by using 'map'.
with ProcessPoolExecutor(max_workers=nprocs) as executor:
return {num:factors for num, factors in
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How can I recall the argument of the previous bash command?
...
You can use $_ or !$ to recall the last argument of the previous command.
Also Alt + . can be used to recall the last argument of any of the previous commands.
s...
Refused to display in a frame because it set 'X-Frame-Options' to 'SAMEORIGIN'
...e in OWIN 3.0 middleware. Refer to this link if you are receiving a "access_denied" error message. blogs.msdn.com/b/webdev/archive/2014/07/02/…
– Ali Hmer
Aug 24 '14 at 15:34
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Passing variable arguments to another function that accepts a variable argument list
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You can't do it directly; you have to create a function that takes a va_list:
#include <stdarg.h>
static void exampleV(int b, va_list args);
void exampleA(int a, int b, ...) // Renamed for consistency
{
va_list args;
do_something(a); // Use argument a somehow
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Python Regex - How to Get Positions and Values of Matches
...the span & group are indexed for multi capture groups in a regex
regex_with_3_groups=r"([a-z])([0-9]+)([A-Z])"
for match in re.finditer(regex_with_3_groups, string):
for idx in range(0, 4):
print(match.span(idx), match.group(idx))
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Disable a Button
...
I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled'
– user9470831
Feb 5 '19 at 4:25
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