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Is there a difference between YES/NO,TRUE/FALSE and true/false in objective-c?
Simple question really; is there a difference between these values (and is there a difference between BOOL and bool)? A co-worker mentioned that they evaluate to different things in Objective-C, but when I looked at the typedefs in their respective .h files, YES/TRUE/true were all defined as 1 an...
Using helpers in model: how do I include helper dependencies?
...cerns with active record models. That's a terrible practice. A much better approach is to put a standalone input data sanitizer object in front of AR and retrieve "clean" attributes from it.
– solnic
Jul 29 '14 at 10:52
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Select first row in each GROUP BY group?
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On Oracle 9.2+ (not 8i+ as originally stated), SQL Server 2005+, PostgreSQL 8.4+, DB2, Firebird 3.0+, Teradata, Sybase, Vertica:
WITH summary AS (
SELECT p.id,
p.customer,
p.total,
ROW_NUMBER() OVER(PARTITION BY p.cus...
Can I use a binary literal in C or C++?
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You can use BOOST_BINARY while waiting for C++0x. :) BOOST_BINARY arguably has an advantage over template implementation insofar as it can be used in C programs as well (it is 100% preprocessor-driven.)
To do the converse (i.e. print out a ...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything.
NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...
How do I use reflection to invoke a private method?
There are a group of private methods in my class, and I need to call one dynamically based on an input value. Both the invoking code and the target methods are in the same instance. The code looks like this:
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In Python, if I return inside a “with” block, will the file still close?
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@RikPoggi os._exit is sometimes used - it exits the Python process without calling cleanup handlers.
– Acumenus
Oct 8 '16 at 6:25
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When restoring a backup, how do I disconnect all active connections?
...ecificed DELAY, thereby giving user queries an opporunity to complete naturally.
– John Sansom
Jul 20 '09 at 16:02
2
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Save the console.log in Chrome to a file
...the flags:
--enable-logging --v=1
This logs everything Chrome does internally, but it also logs all the console.log() messages as well. The log file is called chrome_debug.log and is located in the User Data Directory.
Filter the log file you get for lines with CONSOLE(\d+).
Note that console l...
What's the shortest code to cause a stack overflow? [closed]
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All these answers and no Befunge? I'd wager a fair amount it's shortest solution of them all:
1
Not kidding. Try it yourself: http://www.quirkster.com/iano/js/befunge.html
EDIT: I guess I need to explain this one. The 1 o...