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What is the fastest way to send 100,000 HTTP requests in Python?
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How much faster can you go if you want to talk with the SAME server each time, by persisting the connection? Can this even be done across threads, or with one persistent connection per thread?
– mdurant
Jan 12 '15...
What is the “owning side” in an ORM mapping?
...y. In this case Hibernate tracks both sides of the relation independently: If you add a document to relation Person.idDocuments, it inserts a record in the association table PERSON_ID_DOCUMENTS.
On the other hand, if we call idDocument.setPerson(person), we change the foreign key person_id on table...
Why does the MongoDB Java driver use a random number generator in a conditional?
...gan's laws it is a trivial observation that this piece of code amounts to
if (!_ok && Math.random() <= 0.1)
return res;
The commit that originally introduced this logic had
if (_ok == true) {
_logger.log( Level.WARNING , "Server seen down: " + _addr, e );
} else if (Math.random() &...
What is opinionated software?
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If a framework is opinionated, it lock or guides you into their way of doing things.
For example: some people believe that a template system shouldn't provide access to user defined methods and functions as it leaves the sys...
How can I trim beginning and ending double quotes from a string?
...at said, this smells a bit like that you're trying to invent a CSV parser. If so, I'd suggest to look around for existing libraries, such as OpenCSV.
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How do you normalize a file path in Bash?
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if you're wanting to chomp part of a filename from the path, "dirname" and "basename" are your friends, and "realpath" is handy too.
dirname /foo/bar/baz
# /foo/bar
basename /foo/bar/baz
# baz
dirname $( dirname /foo/bar...
Trimming a huge (3.5 GB) csv file to read into R
...) for 40 years. In short, it's huge, and it's not going to fit into memory if I try to simply read it.
13 Answers
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Simple Getter/Setter comments
...ake of silencing overly pedantic warning from our tools feels wrong to me. If it doesn't add value to a programmer, then the right solution would be to turn down/fix the verbosity of the tools and/or ease up on how much we care about jumping through hoops so that the tools reward us. Analysis tools...
How do I create a Bash alias?
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Since these files are hidden you will have to do an ls -a to list them. If you don't have one you can create one.
If I remember correctly, when I had bought my Mac, the .bash_login file wasn't there. I had to create it for myself so that I could put prompt info, alias, functions, etc. in it.
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Increment a database field by 1
With MySQL, if I have a field, of say logins, how would I go about updating that field by 1 within a sql command?
5 Answers...