大约有 40,000 项符合查询结果（耗时：0.0540秒） [XML]
Geometric Mean: is there a built-in?
...set, and since the first arg of sum is ..., you need to pass na.rm = na.rm by name, and you also need to exclude 0's and NA's from the vector in the length call.
– Gregor Thomas
Aug 28 '14 at 20:53
...
Remove textarea inner shadow on Mobile Safari (iPhone)
By default, it seems Mobile Safari adds the top inner shadow to all input fields, including textarea. Is there a way to remove it?
...
Finding child element of parent pure javascript
...">]
There are alternatives to querySelector, like document.getElementsByClassName('parent')[0] if you so desire.
Edit: Now that I think about it, you could just use querySelectorAll to get decendents of parent having a class name of child1:
children = document.querySelectorAll('.parent .chi...
Enter “&” symbol into a text Label in Windows Forms?
...
You can escape & by adding it two times, to try &&.
share
|
improve this answer
|
follow
|
...
How do you write tests for the argparse portion of a python module? [closed]
....stderr to check for a specific message, either mock.assert_called_with or by examining mock_calls, see docs.python.org/3/library/unittest.mock.html for more detail. See also stackoverflow.com/questions/6271947/… for an example of mocking stdin. (stderr should be similar)
– B...
Getting a 'source: not found' error when using source in a bash script
...
If you're writing a bash script, call it by name:
#!/bin/bash
/bin/sh is not guaranteed to be bash. This caused a ton of broken scripts in Ubuntu some years ago (IIRC).
The source builtin works just fine in bash; but you might as well just use dot like Norman su...
Media Queries - In between two widths
...
The accepted answer is not wrong by any means, but I think that using min-width to max-width is a more clear, readable convention.
– Dave Powers
Dec 5 '17 at 16:46
...
Run an exe from C# code
...
SO - it's OK to help a beginner with simplified, step by step examples with many details stripped away. Also ok to use caps :P
– DukeDidntNukeEm
Oct 8 '18 at 17:54
...
GCC -g vs -g3 GDB Flag: What is the Difference?
..., or -gvms (see below).
...
-ggdb
Produce debugging information for use by GDB. This means to use the most expressive format available (DWARF 2, stabs, or the native
format if neither of those are supported), including GDB extensions if
at all possible.
-gvmslevel
Request debugging information...
Increase distance between text and title on the y-axis
...method does not seem to work with facet_grid, whereas the answer suggested by Adam B does (i.e. a line break using \n)
– Anonymous
Aug 25 '18 at 15:32
...