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Differences between C++ string == and compare()?
I just read some recommendations on using
9 Answers
9
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist
... with the contents of another document, but only the fields that are not already present, and completely ignore the fields that are already set (even if to another value).
There is no way to do that in a single command.
You have to query the document first, figure out what you want to $set and the...
How do I parse XML in Python?
... memory usage are an issue. It has very little overhead compared to simply reading in the file using readlines.
The relevant metrics can be found in the table below, copied from the cElementTree website:
library time space
xml.dom.minidom (Python 2.1) 6.3 s 80000K
g...
What is your favorite C programming trick? [closed]
...
While reading Quake 2 source code I came up with something like this:
double normals[][] = {
#include "normals.txt"
};
(more or less, I don't have the code handy to check it now).
Since then, a new world of creative use of th...
Why are global variables evil? [closed]
...ll make testing harder as well.
Furthermore, if you consider other people reading your code (open-source community, colleagues etc) they will have a hard time trying to understand where the global variable is being set, where has been changed and what to expect from this global variable as opposed ...
Truncate all tables in a MySQL database in one command?
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Drop (i.e. remove tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "drop table $table" DATABASE_NAME; done
Truncate (i.e. empty tables)
mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "truncate table $table" DATABASE_NAME; done
...
How to do relative imports in Python?
...countered this problem many times while doing relative imports. And, after reading all the previous answers, I was still not able to figure out how to solve it, in a clean way, without needing to put boilerplate code in all files. (Though some of the comments were really helpful, thanks to @ncoghlan...
JMS and AMQP - RabbitMQ
...sed on the Java Enterprise Edition (Java EE) to create, send, receive, and read messages. It allows the communication between different components of a distributed application to be loosely coupled, reliable, and asynchronous.
Now (from Wikipedia):
The Advanced Message Queuing Protocol (AMQP) i...
Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)
... not authors. Authors must follow the author requirements. To quote How to read this specification:
In particular, there are conformance requirements that apply to producers, for example authors and the documents they create, and there are conformance requirements that apply to consumers, for ex...
Fastest way to download a GitHub project
...code of the project Spring data graph example into my box. It has public read-only access. Is there is an extremely fast way of downloading this code?
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