大约有 36,000 项符合查询结果（耗时：0.0226秒） [XML]
How to specify a multi-line shell variable?
... Not sure why you want or need the leading line break. For my application I did not so I just started with sql="SELECT c2, c2
– bhfailor
Jan 30 '18 at 1:31
1
...
Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
... it returns a lot of errors. It seems that I have a problem with my certificate. Is it possible to ignore the client-server authentication? If so, how?
...
What is a build tool?
...s?
Build tools are programs that automate the creation of executable
applications from source code (e.g., .apk for an Android app). Building
incorporates compiling,linking and packaging the code into a usable or
executable form.
Basically build automation is the act of scripting or automating a
wid...
Git is ignoring files that aren't in gitignore
...wing command to print your .gitignore in user HOME and repository folder:
cat ~/.gitignore "$(git rev-parse --show-toplevel)"/.gitignore "$(git rev-parse --show-toplevel)"/.git/info/exclude
Alternatively use git add -f which allows adding otherwise ignored files.
See: man gitignore, man git-check-...
Detecting taps on attributed text in a UITextView in iOS
...izer
{
UITextView *textView = (UITextView *)recognizer.view;
// Location of the tap in text-container coordinates
NSLayoutManager *layoutManager = textView.layoutManager;
CGPoint location = [recognizer locationInView:textView];
location.x -= textView.textContainerInset.left;
...
Adding additional data to select options using jQuery
...1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select>
Code
// JavaScript using jQuery
$(function(){
$('select').change(function(){
var selected = $(this)....
Timeout command on Mac OS X?
...lp/examples:
timeout.sh
#!/usr/bin/env bash
function show_help()
{
IT=$(cat <<EOF
Runs a command, and times out if it doesnt complete in time
Example usage:
# Will fail after 1 second, and shows non zero exit code result
$ timeout 1 "sleep 2" 2> /dev/null ; echo \$?
142
...
vim command to restructure/force text to 80 columns
...or your example.
$ echo -e 'long line is long!\nshort' > 3033423.txt
$ cat 3033423.txt
long line is long!
short
$ fmt -w 13 3033423.txt
long line is
long! short
$ par 13gr 3033423.txt
long line is
long! short
To use from inside Vim:
:%! fmt -w 13
:%! par 13gr
You can also set :formatprg to...
Java Runtime.getRuntime(): getting output from executing a command line program
...eDelimiter("\\A")) {
result = s.hasNext() ? s.next() : null;
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
share
|
improve this answer
|
...
How to show line number when executing bash script
...d stop when error occurs. However, it's still rather difficult for me to locate which line did the execution stop in order to locate the problem.
Is there a method which can output the line number of the script before each line is executed?
Or output the line number before the command exhibition gen...