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Why does this code segfault on 64-bit architecture but work fine on 32-bit?
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The cast to int* masks the fact that without the proper #include the return type of malloc is assumed to be int. IA-64 happens to have sizeof(int) < sizeof(int*) which makes this problem obvious.
(Note also that because of the undefined behaviour it could st...
Where can I find Android source code online? [closed]
...rything is mirrored on omapzoom.org. Some of the code is also mirrored on github.
Contacts is here for example.
Since December 2019, you can use the new official public code search tool for AOSP: cs.android.com. There's also the
Android official source browser (based on Gitiles) has a web view of ...
Java recursive Fibonacci sequence
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In fibonacci sequence each item is the sum of the previous two. So, you wrote a recursive algorithm.
So,
fibonacci(5) = fibonacci(4) + fibonacci(3)
fibonacci(3) = fibonacci(2) + fibonacci(1)
fibonacci(4) = fibonacci(3) + fibonacci(2)
fibonacci(2)...
How to scp in Python?
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Try the Python scp module for Paramiko. It's very easy to use. See the following example:
import paramiko
from scp import SCPClient
def createSSHClient(server, port, user, password):
client = paramiko.SSHClient()
client.load_system_host_keys()
client....
How to read a file line-by-line into a list?
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with open(filename) as f:
content = f.readlines()
# you may also want to remove whitespace characters like `\n` at the end of each line
content = [x.strip() for x in content]
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What does an underscore in front of an import statement mean?
I saw this example from sqlite3 on GitHub :
4 Answers
4
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Escape @ character in razor view engine
I am creating a sample ASP.NET MVC 3 site using Razor as view engine. The razor syntax starts with @ character e.g. @RenderBody() . If I write @test on my cshtml page it gives me parse error
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using awk with column value conditions
I'm learning awk from The AWK Programming Language and I have a problem with one of the examples.
6 Answers
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How do I get the opposite (negation) of a Boolean in Python?
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edited Aug 11 '11 at 18:56
Mike Graham
60.5k1212 gold badges8484 silver badges119119 bronze badges
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JavaScript “new Array(n)” and “Array.prototype.map” weirdness
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It appears that the first example
x = new Array(3);
Creates an array with undefined pointers.
And the second creates an array with pointers to 3 undefined objects, in this case the pointers them self are NOT undefined, on...