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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()...
Why does my 'git branch' have no master?
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I created my repo with git init and the master branch was not created. With Github, the branch is created automatically, but not with Bitbucket. The mising steps were: git add ., git commit -m "Test", then git push -u origin master.
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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...
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...
“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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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 ...
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...
“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
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Bash if statement with multiple conditions throws an error
...s, and in case one flag (or both) are changed it'll echo-- error happened. My script:
4 Answers
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