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Mongoose's find method with $or condition does not work properly
Recently I start using MongoDB with Mongoose on Nodejs.
4 Answers
4
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CSS - Expand float child DIV height to parent's height
...ent, add the following properties:
.parent {
overflow: hidden;
position: relative;
width: 100%;
}
then for .child-right these:
.child-right {
background:green;
height: 100%;
width: 50%;
position: absolute;
right: 0;
top: 0;
}
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UINavigationController “back button” custom text?
The "back button" of a UINavigationController by default shows the title of the last view in the stack. Is there a way to have custom text in the back button instead?
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MySQL - why not index every field?
...he wonder of indexes, and performance has improved dramatically. However, with all I've learned, I can't seem to find the answer to this question.
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What is the official “preferred” way to install pip and virtualenv systemwide?
Is it this, which people seem to recommend most often:
16 Answers
16
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PSQLException: current transaction is aborted, commands ignored until end of transaction block
...ne of your SQL Queries failed, and you gobbled up that failure and ignored it. But that wasn't enough, THEN you used that same connection, using the SAME TRANSACTION to run another query. The exception gets thrown on the second, correctly formed query because you are using a broken transaction to ...
How large should my recv buffer be when calling recv in the socket library
...e using a stream socket (SOCK_STREAM) or a datagram socket (SOCK_DGRAM) - within TCP/IP, the former corresponds to TCP and the latter to UDP.
How do you know how big to make the buffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interac...
Get PHP class property by string
How do I get a property in a PHP based on a string? I'll call it magic . So what is magic ?
12 Answers
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How to hide iOS status bar
...this value to plist: "View controller-based status bar appearance" and set it to "NO".
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Dictionaries and default values
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edited Jan 23 '19 at 5:30
Solomon Ucko
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