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How to Select Columns in Editors (Atom,Notepad++, Kate, VIM, Sublime, Textpad,etc) and IDEs (NetBean
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How can I remove a key and its value from an associative array?
...key3"]=> string(6) "value3" ["key4"]=> string(6) "value4" }
read more about array_diff: http://php.net/manual/en/function.array-diff.php
To remove an element by using index:
array_splice($arr, 1, 1);
var_dump($arr);
// array(1) { ["key3"]=> string(6) "value3" }
read more about ar...
How to access a dictionary element in a Django template?
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String comparison in Python: is vs. == [duplicate]
...ferred over == None.
I've always liked to use 'is' because
I find it more aesthetically pleasing
and pythonic (which is how I fell into
this trap...), but I wonder if it's
intended to just be reserved for when
you care about finding two objects
with the same id.
Yes, that's exactly...
In Visual Studio C++, what are the memory allocation representations?
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This link has more information:
http://en.wikipedia.org/wiki/Magic_number_(programming)
* 0xABABABAB : Used by Microsoft's HeapAlloc() to mark "no man's land" guard bytes after allocated heap memory
* 0xABADCAFE : A startup to this valu...
How do you fix a bad merge, and replay your good commits onto a fixed merge?
...bably a personal preference. filter-branch can do it in a single, slightly more complex command, whereas the rebase solution is performing the equivalent logical operations one step at a time.
Try the following recipe:
# create and check out a temporary branch at the location of the bad merge
git ...
No identities are available for signing Xcode 5
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Thanks Mavis, don't know why your answer isn't more upvoted, it worked for me after extensive panicky, frustration and googling :) Opening the file was the key, and I never knew... Thanks again.
– thepauljones
Oct 18 '13 at 12:53
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What is mutex and semaphore in Java ? What is the main difference?
... This is not quite true. The same thread can enter the same mutex more than once, so a count needs to be maintained to ensure entries `& exits are balanced.
– finnw
Aug 3 '09 at 9:56
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Java synchronized static methods: lock on object or class
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@Madhu. It means that if you have 2 or more synchronized methods on the same class, both cannot execute at the same time, even when there are multiple instances of that class. The locking is essentially the same as locking on the Object.class for each synchronize...
Copying text outside of Vim with set mouse=a enabled
... indeed the solution. But what if you want to select a lot of code that is more than on your screen? (then you have to scroll and select at the same time)
– Ozkan
Apr 2 '13 at 12:25
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