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How should I cast in VB.NET?
... there's an inheritance relationship. If it's a situation where I have no idea if the cast should succeed (user input -> integers, for example), then I use TryCast so as to do something more friendly than toss an exception at the user.
One thing I can't shake is I tend to use ToString instead o...
Download File to server from URL
...ouldn't be my first choice. If allow_fopen_url Off is set in php.ini (good idea for security), your script would be broken.
– PleaseStand
Oct 15 '10 at 0:43
4
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How to split a comma-separated value to columns
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Great idea. Three times as slow as the CHARINDEX plus SUBSTRING mess though, at least for me. :-(
– Michel de Ruiter
Nov 8 '16 at 12:38
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sed beginner: changing all occurrences in a folder
...1 failed, $file unchanged" 1>&2
exit 1
fi
rm -f $new $old
The idea is that it overwrites a file only if a command succeeds. Useful in find and also where you would not want to use
sed 's/old/new/g' file > file # THIS CODE DOES NOT WORK
because the shell truncates the file before...
socket.io and session?
...
Putting your session id in the client html is not a good idea from a security perspective...
– UpTheCreek
Aug 1 '12 at 7:51
4
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How to generate a simple popup using jQuery
...ntact" id="contact">Contact Us</a>
</div>
And the general idea of the JavaScript becomes:
$("#contact").on('click', function() {
if($(this).hasClass("selected")) {
deselect();
} else {
$(this).addClass("selected");
$.get(this.href, fun...
Generating PDF files with JavaScript
...very young, and I'll be adding features and bug fixes soon. Also got a few ideas for workarounds in browsers that do not support Data URIs. It's licensed under a liberal MIT license.
I came across this question before I started writing it and thought I'd come back and let you know :)
Generate PDF...
UIWebView open links in Safari
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any idea how to do this ONLY with URLS that have https:// http:// or mailto:? using swift? Question here needs a swift answer! stackoverflow.com/questions/2532453/…
– Jed Grant
Jun 2 '15 a...
what exactly is device pixel ratio?
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I have no idea about the android case. It could be that different manufacturers have different ideas about logical and physical pixels... Try it out yourself on a couple of hundred different devices... Or simply assume that the values ...
Convert base class to derived class [duplicate]
...as a parameter and copy over the property values. I don't really like this idea, so I'd like to avoid it if possible.
6 Ans...