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How to make HTML table cell editable?
...e one of the following values:
true or the empty string, which indicates that the element must be editable;
false, which indicates that the element must not be editable.
If this attribute is not set, its default value is inherited from its
parent element.
This attribute is a...
How to make git-diff and git log ignore new and deleted files?
...t diff or git-log I'd like to omit them, so I can better spot the modifications.
3 Answers
...
How to use Active Support core extensions
...ps://bundler.io/blog/2019/01/04/an-update-on-the-bundler-2-release.html
$ cat Gemfile.lock | grep -A 1 "BUNDLED WITH"
BUNDLED WITH
1.17.3
$ gem install bundler -v '1.17.3'
share
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improve this...
Can git operate in “silent mode”?
...e)
if ! git "$@" </dev/null >$stdout 2>$stderr; then
cat $stderr >&2
rm -f $stdout $stderr
exit 1
fi
rm -f $stdout $stderr
}
This will suppress stdout and stderr, unless the git command fails. It's not pretty; in fact the stdout file is ignored...
App Inventor 2 列表代码块 · App Inventor 2 中文网
...对元素。
例如，如果列表为 [[a,apple], [d,Dragon], [,boxcar], [cat,100]]，则查找 b 将返回 boxcar。
如果列表中没有这样的对，则 在键值对中查找 将返回未找到参数。 如果 键值对 不是列表对，则操作将发出错误信号。
分隔符...
How to get a string after a specific substring?
...
its all good ... its certainly one way of skinning this cat... overkill for this problem though (imho)
– Joran Beasley
Sep 24 '12 at 20:37
...
Append column to pandas dataframe
...
Or pd.concat([dat1, dat2], axis=1) in this case.
– DSM
Dec 16 '13 at 3:35
...
DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
...still install into the target directory. My issue was additionally complicated because i installed python3 as well, but +1 for the virtualenv solution.
– Josh Brown
May 1 '18 at 18:37
...
What does $@ mean in a shell script?
...e scope a function), it expands to the arguments passed to such script.
$ cat my-sh
#! /bin/sh
echo "$@"
$ ./my-sh "Hi!"
Hi!
$ put () ( echo "$@" )
$ put "Hi!"
Hi!
Word splitting.
Now, another topic that is of paramount importance when understanding how $@ behaves in the shell is word split...
What is the advantage of using abstract classes instead of traits?
...do not contain any implementation code"
– Walrus the Cat
Sep 2 '15 at 0:17
2
abstract - when coll...