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What's the safest way to iterate through the keys of a Perl hash?
... keys and do not plan to ever read any of the values, use keys():
foreach my $key (keys %hash) { ... }
If you just want the values, use values():
foreach my $val (values %hash) { ... }
If you need the keys and the values, use each():
keys %hash; # reset the internal iterator so a prior each()...
What's the difference between Perl's backticks, system, and exec?
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perlcunc, maybe this will be my new nick name;-)
– Ludwig Weinzierl
Apr 28 '09 at 22:51
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Pass array to mvc Action via AJAX
...et call.
i.e.:
jQuery.ajaxSettings.traditional = true
$.get('/controller/MyAction', { vals: arrayOfValues }, function (data) {...
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EntityType has no key defined error
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my code worked (without [Key]) until I change the data types (I changed them to unsigned) and only byte works is there a reason I can't use unsigned values?
– Mihai Bratulescu
May 29 '14...
“VT-x is not available” when i start my Virtual machine [closed]
... I was having a similar problem and reducing the memory resolved my issue, why does that work? I am on a virtual machine installing a virtual machine. Inception.
– Jacek Trociński
Nov 6 '15 at 12:04
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How to make a cross-module variable?
...things a little more tightly controlled. The reason I use short names for my globals modules is to avoid cluttering up the code too much with occurrences of them. With only a little experience, they become mnemonic enough with only 1 or 2 characters.
It is still possible to make an assignment t...
The breakpoint will not currently be hit. No symbols have been loaded for this document in a Silverl
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In my case, I had reconfigured the IIS site running my project to point at a different folder. Somehow this had cleared the solution setting indicated above...? May have been a source control error, but I couldn't find a change ...
“Cannot update paths and switch to branch at the same time”
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I had a typo in my command which triggered this error; I wasn't spelling my remote correctly!
– qix
Oct 3 '14 at 22:13
2
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Upgrading PHP in XAMPP for Windows?
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Take a backup of your htdocs and data folder (subfolder of MySQL folder), reinstall upgraded version and replace those folders.
Note:
In case you have changed config files like PHP (php.ini), Apache (httpd.conf) or any other, please take back up of those files as well and replace th...
How can I get my webapp's base URL in ASP.NET MVC?
How can I quickly determine what the root URL is for my ASP.NET MVC application? I.e., if IIS is set to serve my application at http://example.com/foo/bar , then I'd like to be able to get that URL in a reliable way that doesn't involve getting the current URL from the request and chopping it up i...