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str performance in python
...hon code ( python 2.6 up to 3.2 ), I discovered that the
str method to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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Can't use Swift classes inside Objective-C
...try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty.
I can use all my Obj...
Recursive directory listing in DOS
...ptions offered by FINDSTR. You can also use the excellent unxutils, but it converts the output to UNIX by default, so you no longer get CR+LF; FINDSTR offers the best Windows option.
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Why is there no String.Empty in Java?
I understand that every time I type the string literal "" , the same String object is referenced in the string pool.
11 An...
Oracle: If Table Exists
I'm writing some migration scripts for an Oracle database, and was hoping Oracle had something similar to MySQL's IF EXISTS construct.
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Purpose of Trigraph sequences in C++?
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I've seen trigraphs used in the early '90s to help convert PL/1 programs from a mainframe to be run/compiled/debugged on a PC.
They were dabbling with editing PL/I on the PC using a PL/I to C compiler and they wanted the code to work when moved back to the mainframe which ...
How to complete a git clone for a big project on an unstable connection?
...epository for you if you can communicate with the provider. You can easily convert the bare repository to a full repository. Also read the comments in that answer as a shallow clone may not always help.
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Unit testing void methods?
...ence not normally unit-tested. However if you must, You can verify if the handling to be done on a notification takes place. e.g.
void OnAccountDebit( dAmount ) // emails account holder with info
can be tested by verifying if the email is being sent
Post more details about your actual method an...
Rails raw SQL example
How can I convert this code to raw sql and use in rails? Because When I deploy this code in heroku,there is a request timeout error.I think this will be faster if I use raw sql.
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Best way to do multiple constructors in PHP
...f a problem, like creating form elements. but then, that's just my opinion and for the record; I don't claim it to be fact.
– Kris
Nov 9 '09 at 16:24
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