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What does int argc, char *argv[] mean?
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argc is the number of arguments being passed into your program from the command line and argv is the array of arguments.
You can loop through the arguments knowing the number of them like:
for(int i = 0; i < argc; i++)
{
// argv[i] is the argument at index i
}
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Correct way to use get_or_create?
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From the documentation get_or_create:
# get_or_create() a person with similar first names.
p, created = Person.objects.get_or_create(
first_name='John',
last_name='Lennon',
defaults={'birthday': date(1940, 10, 9...
When editing Microsoft Office VBA, how can I disable the popup “Compile error” messages?
... a Microsoft Office VBA macro or function, you will often move your cursor from a line that you haven't finished. For example, to go copy something you want to paste into that line. But, if that partial line isn't syntactically valid, the VBA editor interrupts your work by popping up a "Compile er...
How to encode the filename parameter of Content-Disposition header in HTTP?
...fari (raw utf-8 as suggested above), but that does not work for GoodReader from the same device. Any ideas?
– Thilo
Mar 8 '12 at 8:15
1
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What are POD types in C++?
...fsets are applied when casting to a base or derived class. So, if you cast from a POD base class pointer to a non-POD derived class, you may still encounter an adjustement.
– MSalters
Sep 29 '08 at 12:05
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Determine if an HTML element's content overflows
... browsers (including at least Chrome 40 and other current version browsers from the time of this writing).
– L0j1k
Feb 27 '15 at 19:07
1
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.NET JIT potential error?
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@Joan - Just Visual Studio, copy/paste from the debugger's Disassembly window and comments added by hand.
– Hans Passant
May 23 '13 at 16:19
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JSLint says “missing radix parameter”
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From the sounds of it, the default IS 10. If it doesn't begin with 0x or 0, it defaults to a radix of 10. But it is best practice to specify a radix even if it is the default value, sort of like specifying the definition of...
looping through an NSMutableDictionary
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Another way is to use the Dicts Enumerator. Here is some sample code from Apple:
NSEnumerator *enumerator = [myDictionary objectEnumerator];
id value;
while ((value = [enumerator nextObject])) {
/* code that acts on the dictionary’s values */
}
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scp or sftp copy multiple files with single command
I'd like to copy files from/to remote server in different directories.
For example, I want to run these 4 commands at once.
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