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Is there a print_r or var_dump equivalent in Ruby / Ruby on Rails?
...t;%= debug(yourobject) %> which will generate a YAML view of your data. If you want something in your log you should use logger.debug yourobject.inspect.
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Is #pragma once part of the C++11 standard?
...rtable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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How to remove a lua table entry by its key?
...nality includes renumbering the indices, which your override would not do. If you do want to add your function to the table function set, then I'd probably name it something like table.removekey() or some such.
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Apply pandas function to column to create multiple new columns?
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But what do you do if you have 50 columns added like this rather than 6?
– max
Nov 4 '15 at 23:21
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How to keep indent for second line in ordered lists via CSS?
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If you have multiple-line list items, and need consistent vertical spacing, the solution is to add vertical border-spacing to the ol selector, e.g. border-spacing: 0 3px; Normal padding on the table-cell does not work because...
The source was not found, but some or all event logs could not be searched
...ough the subkeys of HKLM\SYSTEM\CurrentControlSet\services\eventlog to see if it contains a subkey with the specified name. If the user account under which the code is running does not have read access to a subkey that it attempts to access (in your case, the Security subkey) before finding the tar...
What is the difference between user variables and system variables?
What is the difference between user variables such as PATH , TMP , etc. and system variables?
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Lightweight Java Object cache API [closed]
...r code samples for an example of creating an in memory cache. You can specify a max size, and a time to live.
EHCache does offer some advanced features, but if your not interested in using them - don't. But it's nice to know they are there if your requirements ever change.
Here is an in memory c...
How can I have grep not print out 'No such file or directory' errors?
...ou "no such file or directory" because it breaks up 'a b.txt' into 2 args. If you suppress, you won't notice you missed a file.
– Kelvin
Jun 21 '11 at 21:26
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Folder is locked and I can't unlock it
...tory and cleanup any incomplete actions, remove the local locks (which is different from using Subversion locking of a file in the repository which lets everyone know about the lock).
If that doesn't work, see if you can find the names of the files that were changed, but not yet committed, save the...