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Defining private module functions in python
...be confusion between class privates and module privates.
A module private starts with one underscore
Such a element is not copied along when using the from <module_name> import * form of the import command; it is however imported if using the import <moudule_name> syntax (see Ben Wilh...
Escape angle brackets in a Windows command prompt
... \> brackets >>myfile.txt
The backslash would be considered the start of a absolute pathname.
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Add a tooltip to a div
...putting the mouse at the area below the third div in the demo, the tooltip starts appearing, but then is moving away from the mouse-pointer, and so goes back to it's starting position, which again trickers the appearing. That's happening impressivly fast and shows a flickering.
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How to pull a random record using Django's ORM?
... This is a wrong solution. It will not work if your ids do not start from 0. And also when ids are not contiguous. Say, the first record starts from 500 and the last one is 599 (assuming contiguity). Then the count would 54950. Surely list[54950] does not exist because your queryst's len...
Updating version numbers of modules in a multi-module Maven project
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Found the secret make-it-work switch: the starting version of the parent pom and the modules has to be the same! My parent pom was starting with "1-SNAPSHOT" and the modules had "1.0.0-SNAPSHOT". :)
– SiKing
May 17 '19 at 19:13
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How do I run a terminal inside of Vim?
...ing screen does not run a shell within vim. That's like telling someone to start another shell. And for those who keep throwing out ":!" he ALREADY SAID he knew how to execute commands, which is NOT what he asked for... sheesh. The arrogance is so thick in here you can cut it with a knife.
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Benchmarking small code samples in C#, can this implementation be improved?
...Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
watch.Start();
for (int i = 0; i < iterations; i++) {
func();
}
watch.Stop();
Console.Write(description);
Console.WriteLine(" Time Elapsed {0} ms", watch.Elapsed.TotalMilliseconds);
return watch.E...
E11000 duplicate key error index in mongodb mongoose
... are still in your development environment, I would drop the entire db and start over with your new schema.
From the command line
➜ mongo
use dbName;
db.dropDatabase();
exit
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What is memory fragmentation?
...he wall, the size of the picture, or else you can't put it up. Now, if you start hanging pictures on the wall and you're not careful about how you arrange them, you will soon end up with a wall that's partially covered with pictures and even though you may have empty spots most new pictures won't fi...
Scanner vs. StringTokenizer vs. String.Split
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Let's start by eliminating StringTokenizer. It is getting old and doesn't even support regular expressions. Its documentation states:
StringTokenizer is a legacy class that is retained for compatibility reasons although its use...