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Remove carriage return in Unix
... file with a CR at the end of the first line only:
$ cat infile
hello
goodbye
$ cat infile | od -c
0000000 h e l l o \r \n g o o d b y e \n
0000017
dos2unix is the way to go if it's installed on your system:
$ cat infile | dos2unix -U | od -c
0000000 h e l l ...
How do I add a placeholder on a CharField in Django?
...eding u like this: {'placeholder': u'搜索'}
– shellbye
Oct 14 '17 at 3:52
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Xcode/Simulator: How to run older iOS version?
...roject and Get Info. Under the Build tab look for iOS Deployment Target. By changing this you should be able to test different iOS version.
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Limiting number of displayed results when using ngRepeat
..." would be to use the straightforward limitTo filter, as natively provided by Angular:
<ul class="phones">
<li ng-repeat="phone in phones | filter:query | orderBy:orderProp | limitTo:quantity">
{{phone.name}}
<p>{{phone.snippet}}</p>
</li>
</ul>
app...
Insert Update stored proc on SQL Server
...
The best strategy is to attempt the
update. If no rows are affected by the
update then insert. In most
circumstances, the row will already
exist and only one I/O will be
required.
Edit:
Please check out this answer and the linked blog post to learn about the problems with this patt...
Centering controls within a form in .NET (Winforms)? [duplicate]
...of anchors. Or more precisely the non use of them.
Controls are anchored by default to the top left of the form which means when the form size will be changed, their distance from the top left side of the form will remain constant. If you change the control anchor to bottom left, then the control ...
Error : BinderProxy@45d459c0 is not valid; is your activity running?
...
I faced the same problem and used the code proposed by DiscDev above with minor changes as follows:
if (!MainActivity.this.isFinishing()){
alertDialog.show();
}
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history.replaceState() example?
...to alter the title element and use pushState instead:
document.getElementsByTagName('title')[0].innerHTML = 'bar';
window.history.pushState( {} , 'bar', '/bar' );
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Why are Perl 5's function prototypes bad?
...s are very limited:
They have to be visible at compile-time.
They can be bypassed.
Propagating context to arguments can cause unexpected behavior.
They can make it difficult to call functions using anything other than the
strictly prescribed form.
See Prototypes in perlsub for all the gory detai...
How do I capture SIGINT in Python?
...output.log. When you press Ctrl-C you want your program to exit gracefully by having it log that all data files have been flushed and marked clean to confirm they are left in a known good state. But Ctrl-C sends SIGINT to all processes in a pipeline, so the shell may close STDOUT (now "output.log") ...