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What did MongoDB not being ACID compliant before v4 really mean?
...DB can only work against a single document.
If you need to remove an item from inventory and add it to someone's order at the same time - you can't. Unless those two things - inventory and orders - exist in the same document (which they probably do not).
I encountered this very same issue in an a...
About Android image and asset sizes
...
How do you decide you have to start from a 48dip ? Say you only have a tablet (mdpi) at hand, do you start with a random size, and iterate until it looks "big enough" ?
– phtrivier
Jan 6 '15 at 11:13
...
How to mock an import
...nditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B .
8 Answers
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What are copy elision and return value optimization?
...if copying/moving the object has side-effects.
The following example taken from Wikipedia:
struct C {
C() {}
C(const C&) { std::cout << "A copy was made.\n"; }
};
C f() {
return C();
}
int main() {
std::cout << "Hello World!\n";
C obj = f();
}
Depending on the compiler...
How to pretty print XML from Java?
...
Here's an answer to my own question. I combined the answers from the various results to write a class that pretty prints XML.
No guarantees on how it responds with invalid XML or large documents.
package ecb.sdw.pretty;
import org.apache.xml.serialize.OutputFormat;
import org.apach...
Remove URL parameters without refreshing page
...tents)
to programmatically access the data through the stateObj then parse from the anchor
As I understood from your comment, you want to clean your URL without redirecting again.
Note that you cannot change the whole URL. You can just change what comes after the domain's name. This means that...
Cron and virtualenv
I am trying to run a Django management command from cron. I am using virtualenv to keep my project sandboxed.
9 Answers
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Set environment variables from file of key/value pairs
TL;DR: How do I export a set of key/value pairs from a text file into the shell environment?
33 Answers
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Loading cross-domain endpoint with AJAX
... to the same origin policy; the request can not successfully retrieve data from a different domain, subdomain, port, or protocol.
Script and JSONP requests are not subject to the same origin policy restrictions.
There are some ways to overcome the cross-domain barrier:
CORS Proxy Alternatives
Wa...
Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...rerequisites for Homebrew are the XCode command line tools.
Install XCode from the App Store.
Follow the directions in this Stack Overflow answer to install the XCode Command Line Tools.
Background
A package manager (like apt-get or brew) just gives your system an easy and automated way to install...