大约有 20,000 项符合查询结果（耗时：0.0290秒） [XML]
How to pipe input to a Bash while loop and preserve variables after loop ends
...nd in the current shell environment.
Thus, using something like this in a script makes the modfied sum available after the loop:
FILECONTENT="12 Name
13 Number
14 Information"
shopt -s lastpipe # Comment this out to see the alternative behaviour
sum=0
echo "$FILECONTENT" |
while read number name;...
Ruby, Difference between exec, system and %x() or Backticks
... interpolation.
exec
By using Kernel#exec the current process (your Ruby script) is replaced with the process invoked through exec. The method can take a string as argument. In this case the string will be subject to shell expansion. When using more than one argument, then the first one is used to...
Rebasing a branch including all its children
... branch" command output a star before the current branch, screwing up this script if one of the branches to rebase is currently checked out?
– Mark Lodato
Dec 20 '12 at 21:38
...
Using emit vs calling a signal as if it's a regular function in Qt
...ect slot call? But I have to admit that I also wondered about the question title at first, since I never knew emit was just a no-op. But even in this case reading the question body should have cleared things up, so -1.
– Christian Rau
Apr 15 '12 at 10:22
...
How to position text over an image in css
...
@KyokaSuigetsu : then you should change question title to contain that you are using html2pdf.
– Harry Joy
Jan 3 '12 at 8:16
add a comment
...
difference between offsetHeight and clientHeight
In the javascript dom - what is the difference between offsetHeight and clientHeight of an element?
2 Answers
...
Difference between \A \z and ^ $ in Ruby regular expressions
...ne character, which means they could use an email like me@example.com\n<script>dangerous_stuff();</script> and still have it validate, since the regex only sees everything before the \n.
My recommendation would just be completely stripping new lines from a username or email beforehand, ...
Chrome desktop notification example [closed]
...ermission();
else {
var notification = new Notification('Notification title', {
icon: 'http://cdn.sstatic.net/stackexchange/img/logos/so/so-icon.png',
body: 'Hey there! You\'ve been notified!',
});
notification.onclick = function() {
window.open('http://stackoverflow.com/a/133...
How do I implement __getattribute__ without an infinite recursion error?
... Oh that doesn't quiet work when you run the class though, no? File "Script1.py", line 5, in init self.test = 20 AttributeError: can't set attribute
– Greg
Dec 16 '08 at 17:06
...
How can I change the default width of a Twitter Bootstrap modal box?
... fade" id="ww_vergeten" tabindex="-1" role="dialog" aria-labelledby="modal_title" aria-hidden="true">
<div class="modal-dialog modal-sm"> <!-- property to determine size -->
<div class="modal-content">
<div class="modal-header">
<button type="button"...