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What is the use of “ref” for reference-type variables in C#?
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10 Answers
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Shell command to sum integers, one per line?
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+500
Bit of awk should do it?
awk '{s+=$1} END {print s}' mydatafile
Note: some versions of awk have some odd behaviours if you are go...
symbol(s) not found for architecture i386
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50
You are using ASIHTTPRequest so you need to setup your project. Read the second part here
http...
PHP prepend leading zero before single digit number, on-the-fly [duplicate]
...manual/en/function.sprintf.php
<?php
$num = 4;
$num_padded = sprintf("%02d", $num);
echo $num_padded; // returns 04
?>
It will only add the zero if it's less than the required number of characters.
Edit: As pointed out by @FelipeAls:
When working with numbers, you should use %d (rather th...
Programmatically scroll a UIScrollView
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edited Jul 30 '18 at 11:27
Community♦
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answered Feb 10 '10 at 13:41
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What is the direction of stack growth in most modern systems?
...dings only for down (LDMIA = increment after, STMDB = decrement before).
6502: down (but only 256 bytes).
RCA 1802A: any way you want, subject to SCRT implementation.
PDP11: down.
8051: up.
Showing my age on those last few, the 1802 was the chip used to control the early shuttles (sensing if the...
Calling class staticmethod within the class body?
..... global z
... z = foo
>>> z
<staticmethod object at 0x0000000002E40558>
>>> Foo.foo
<function foo at 0x0000000002E3CBA8>
>>> dir(z)
['__class__', '__delattr__', '__doc__', '__format__', '__func__', '__get__', '__getattribute__', '__hash__', '__init__...
How do I check OS with a preprocessor directive?
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307
The Predefined Macros for OS site has a very complete list of checks. Here are a few of them, w...
How can I recover a removed file in Mercurial (if at all)?
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answered Jul 4 '10 at 10:54
BungleFeetBungleFeet
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Is there a string math evaluator in .NET?
...roject select the "COM" tab and scroll down to "Microsoft Script Control 1.0" and select ok.
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