大约有 40,000 项符合查询结果（耗时：0.0778秒） [XML]
SQL Switch/Case in 'where' clause
...statement exits after a condition is met - but the OR syntax will evaluate all the possibilities
– tember
May 12 '15 at 18:27
1
...
Selecting/excluding sets of columns in pandas [duplicate]
...
@3kstc you can use df1.iloc[:, [-1]] this will select all rows, last column.
– Kocur4d
Apr 25 '18 at 10:16
...
encryption/decryption with multiple keys
...
GnuPG and PGP clients in general usually encrypt the actual data with a symmetric key called a "session key". The session key is then encrypted with each "recipient key" (i.e. the ones you specify with -r/--recipient). This is sometimes referred to as a hybri...
How to sort an array in Bash
...
You don't really need all that much code:
IFS=$'\n' sorted=($(sort <<<"${array[*]}"))
unset IFS
Supports whitespace in elements (as long as it's not a newline), and works in Bash 3.x.
e.g.:
$ array=("a c" b f "3 5")
$ IFS=$...
Removing the fragment identifier from AngularJS urls (# symbol)
...
Can you set it so this fallsback to using # in IE? Is it as simple as just wrapping $locationProvider.html5Mode(true); in if !(IE lt 10) ?
– Andy Hayden
Aug 14 '13 at 15:07
...
Was PreferenceFragment intentionally excluded from the compatibility package?
...cated methods are deprecated as of Android 3.0. They are perfectly fine on all versions of Android, but the direction is to use PreferenceFragment on Android 3.0 and higher.
Can anyone tell me whether this was intentional?
My guess is it's a question of engineering time, but that's just a gue...
How to stop an unstoppable zombie job on Jenkins without restarting the server?
...anything either. I've checked on our build servers and the job doesn't actually seem to be running at all.
27 Answers
...
How do I get ruby to print a full backtrace instead of a truncated one?
When I get exceptions, it is often from deep within the call stack. When this happens, more often than not, the actual offending line of code is hidden from me:
...
C read file line by line
...
Why should I do that? Read the manual, buffer is reallocated at each call, then it should be freed at the end.
– mbaitoff
Nov 30 '12 at 12:43
30
...
How can I display an image from a file in Jupyter Notebook?
...y? (Don't tell me that otherwise it doesn't work. Please explain why this call to 'display' is needed in a loop but not if you just dispaly one image).
– Kris
May 1 '17 at 1:25
12
...