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When to use std::size_t?
...odel size or index in an array. size_t conveys semantics: you immediately know it represents a size in bytes or an index, rather than just another integer.
Also, using size_t to represent a size in bytes helps making the code portable.
...
How can I explicitly free memory in Python?
... In general, gc.collect() is to be avoided. The garbage collector knows how to do its job. That said, if the OP is in a situation where he is suddenly deallocating a lot of objects (like in the millions), gc.collect may prove useful.
– Jason Baker
Aug ...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...d dirty way of handling for checking some data. I also admit that my own knowledge is lacking right now in defining functions in SQL. I was only interested in numbers between 1 and 5 digits, so I changed the regex to E'\\d{1,5}$'.
– Bobort
Oct 6 '16 at 14:25
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How do I find the next commit in git? (child/children of ref)
...
The creator for Hudson (now Jenkins) Kohsuke Kawaguchi just published (November 2013):
kohsuke / git-children-of:
Given a commit, find immediate children of that commit.
#!/bin/bash -e
# given a commit, find immediate children of that commit.
...
Maven Run Project
...See mojohaus.org/exec-maven-plugin/usage.html for the latest version As of now it's 1.6.0
– user1053510
Oct 24 '17 at 6:19
...
Full-screen iframe with a height of 100%
...
@Boris Zbarsky Yeah, thanks for letting me know that! I've updated the post now!! @hmthr Your first question relating the double tags is because earlier browsers do take the "height" and "width" tags but don't work well with the style tags! About the IE bug, I would pr...
What's the difference(s) between .ToList(), .AsEnumerable(), AsQueryable()?
I know some differences of LINQ to Entities and LINQ to Objects which the first implements IQueryable and the second implements IEnumerable and my question scope is within EF 5.
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What's the difference between using “let” and “var”?
...le.log("My value: " + i);
};
}
for (var j = 0; j < 3; j++) {
// and now let's run each one to see
funcs[j]();
}
My value: 3 was output to console each time funcs[j](); was invoked since anonymous functions were bound to the same variable.
People had to create immediately invoked function...
What is the proper way to use the node.js postgresql module?
...ption clear: that's my fault. I'll try to improve it. I wrote a Gist just now to explain this because the conversation grew too long for Twitter.
Using pg.connect is the way to go in a web environment.
PostgreSQL server can only handle 1 query at a time per connection.
That means if you...
How to copy commits from one branch to another?
... Thanks for the support, and the extra info on why not to cherry-pick - I know I skimped a little there. @gotgenes: Thanks! I think it's totally worth the effort - just look at the git-rebase manpage. There's no better way to explain it.
– Cascabel
Mar 19 '10 a...