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Delete a key from a MongoDB document using Mongoose
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In early versions, you would have needed to drop down the node-mongodb-native driver. Each model has a collection object that contains all the methods that node-mongodb-native offers. So you can do the action in question by this:
User.collection.update({_id: user._...
initializer_list and move semantics
Am I allowed to move elements out of a std::initializer_list<T> ?
8 Answers
8
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How to hide element using Twitter Bootstrap and show it using jQuery?
....x use .d-none.
<div id="myId" class="d-none">Foobar</div>
To show it: $("#myId").removeClass('d-none');
To hide it: $("#myId").addClass('d-none');
To toggle it: $("#myId").toggleClass('d-none');
(thanks to the comment by Fangming)
Bootstrap 3.x
First, don't use .hide! Use .hidde...
Dealing with multiple Python versions and PIP?
Is there any way to make pip play well with multiple versions of Python? For example, I want to use pip to explicitly install things to either my site 2.5 installation or my site 2.6 installation.
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How can I make a TextArea 100% width without overflowing when padding is present in CSS?
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This has got to be one of the coolest things I have found in a while. Thank you, any chance there is a way to do this in IE7 as well?
– Jeremy A. West
Mar 19 '12 at 16:11
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Should I commit or rollback a read transaction?
...xt guy who inserts an update statement in the middle of your code, and has to track down the implicit rollback that occurs and removes his data.
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Deciding between HttpClient and WebClient
... recommend use of HttpClient for any future work. Perhaps there's some way to leverage some of the other pieces coming out of System.Net.Http without using that assembly directly, but I cannot imagine how that would work at this time.
Speaking of comparing these two
HttpClient is more clo...
How can you use an object's property in a double-quoted string?
...s value:
$foo = 2
"$foo"
becomes
"2"
If you don't want that you have to use single quotes:
$foo = 2
'$foo'
However, if you want to access properties, or use indexes on variables in a double-quoted string, you have to enclose that subexpression in $():
$foo = 1,2,3
"$foo[1]" # yields "1...
Vim: Replacing a line with another one yanked before
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What I would do :
aG
Y
xG
Vp
You don't have to leave normal mode, but it does yank the line. You can however use V"0p which will always put the line yanked in step 2.
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
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It's probably because MySQL is installed but not yet running.
To verify that it's running, open up Activity Monitor and under "All Processes", search and verify you see the process "mysqld".
You can start it by installing "MySQL.prefPane".
Here is the complete tutorial which helped me...