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How can I remove a key and its value from an associative array?
...$array['key-here']);
Example:
$array = array("key1" => "value1", "key2" => "value2");
print_r($array);
unset($array['key1']);
print_r($array);
unset($array['key2']);
print_r($array);
Output:
Array
(
[key1] => value1
[key2] => value2
)
Array
(
[key2] => value2
)
Arr...
Git push to wrong branch
...anch.
git checkout wrong_branch
git revert commitsha1
git revert commitsha2
git checkout right_branch
git cherry-pick commitsha1
git cherry-pick commitsha2
If the commits are grouped together and there are no commits pushed after your dirty commits, you can even use git reset to get that wrong br...
MongoDB: update every document on one field
...ocument. In the Mongo shell, or with any MongoDB client:
$version >= 3.2:
db.foo.updateMany( {}, <update> )
{} is the condition (the empty condition matches any document)
3.2 > $version >= 2.2:
db.foo.update( {}, <update>, { multi: true } )
{} is the condition (the em...
What are some common uses for Python decorators? [closed]
...
129
I use decorators mainly for timing purposes
def time_dec(func):
def wrapper(*arg):
t ...
Find mouse position relative to element
...
23 Answers
23
Active
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How to convert a Java 8 Stream to an Array?
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1222
The easiest method is to use the toArray(IntFunction<A[]> generator) method with an arra...
A CORS POST request works from plain JavaScript, but why not with jQuery?
...
UPDATE: As TimK pointed out, this isn't needed with jquery 1.5.2 any more. But if you want to add custom headers or allow the use of credentials (username, password, or cookies, etc), read on.
I think I found the answer! (4 hours and a lot of cursing later)
//This does not work!!
Acc...
Making a UITableView scroll when text field is selected
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How to get the original value of an attribute in Rails
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243
Before rails 5.1
Appending _was to your attribute will give you the previous value.
For rail...