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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
... cast the malloc return in C. The void* that it returns will be implicitly converted to a pointer of the correct type (unless you haven't included the header in which case it probably would have warned you of the potentially unsafe int-to-pointer conversion).
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Is there an easy way to check the .NET Framework version?
... 'v3.5' which needs to be trimmed off before conversion
double Framework = Convert.ToDouble(version_names[version_names.Length - 1].Remove(0, 1), CultureInfo.InvariantCulture);
int SP = Convert.ToInt32(installed_versions.OpenSubKey(version_names[version_names.Length - 1]).GetValue("SP", 0));
For ....
What is an existential type?
...r bottoms.
Since an existential is a pair, an existential argument can be converted to a universal one via currying.
(∃b. F(b)) -> Int
is the same as:
∀b. (F(b) -> Int)
The former is a rank-2 existential. This leads to the following useful property:
Every existentially quantifie...
Find region from within an EC2 instance
...
ec2-metadata --availability-zone | sed 's/.$//'
For debian based systems, the command is without dash.
ec2metadata --availability-zone | sed 's/.$//'
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Static/Dynamic vs Strong/Weak
...e run-time effect of simply returning its argument, but at compile time it converts a value of any type to one of any other type. My favorite example is Modula-3, whose designers called their type-casting construct LOOPHOLE.
Having said that, you can't count on any two people using the words "stro...
How to set my default shell on Mac?
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dbright@PowerMac:~$ chsh -s /Users/dbright/sys/bin/bash Changing shell for dbright. Password for dbright: chsh: /Users/dbright/sys/bin/bash: non-standard shell dbright@PowerMac:~$ ls -l /etc/shells -rw-r--r-- 1 root wheel 179 Sep 23 2007 /etc/shells
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Quickest way to convert XML to JSON in Java [closed]
What are some good tools for quickly and easily converting XML to JSON in Java?
6 Answers
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How to calculate time elapsed in bash script?
...ed:
an integer that represents the count of elapsed seconds and
a way to convert such integer to an usable format.
An integer value of elapsed seconds:
There are two bash internal ways to find an integer value for the number of elapsed seconds:
Bash variable SECONDS (if SECONDS is unset it...
How to Convert Boolean to String
I have a Boolean variable which I want to convert to a string:
15 Answers
15
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Sorting an IList in C#
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You're going to have to do something like that i think (convert it into a more concrete type).
Maybe take it into a List of T rather than ArrayList, so that you get type safety and more options for how you implement the comparer.
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