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What's the purpose of using braces (i.e. {}) for a single-line if or loop?
...d) (b*b) - ((4*a)*c)?
Some precedences are obvious (or should be), and the extra parentheses
just add to confusion. (On the other hand, you _should_ use the
parentheses in less obvious cases, even if you know that they're not
needed.)
Sort of. There are two wide spread conventions for formatting...
What do the plus and minus signs mean in Objective-C next to a method?
...tain object instances directly using special syntax, like in the case of a string like this:
NSString *myStringInstance = @"abc";
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How to exclude certain directories/files from git grep search
... separate list $moved. I had issues with whitespace in
# the search-string, so this is loosely based on:
# http://www.linuxjournal.com/content/bash-preserving-whitespace-using-set-and-eval
x=1 ...
How do you use gcc to generate assembly code in Intel syntax?
... <stdio.h>
#include <windows.h>
int a = 0;
int main(int argc, char *argv[]) {
asm("mov eax, 0xFF");
asm("mov _a, eax");
printf("Result of a = %d\n", a);
getch();
return 0;
};
That's code worked with this GCC command line:
gcc.exe File.cpp -masm=intel -mconsole -o...
How do I toggle an ng-show in AngularJS based on a boolean?
...
Is the ng-init necessary?
– Charlie Schliesser
Aug 13 '14 at 16:20
6
@Ch...
Why is arr = [] faster than arr = new Array?
...Y_INIT from an object property accessor (e.g. obj[foo]) or brackets inside strings/regex literals (e.g. "foo[]bar" or /[]/)
This is miniscule, but we also have more tokens with new Array. Furthermore, it's not entirely clear yet that we simply want to create an array. We see the "new" token, but "...
How can I wrap text to some length in Vim?
...e your own formatexpr.
:%s/\(.\{80\}\)/\1\r/g
will break all lines at 80 chars.
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Maximum number of records in a MySQL database table
...ut you don't have to make your primary key an integer, you could make it a CHAR(100). You could also declare the primary key over more than one column.
There are other constraints on table size besides number of rows. For instance you could use an operating system that has a file size limitation. ...
What are inline namespaces for?
...udes V100.h. You also modify Mine.h at the same time, of course, to add an extra include. Mine.h is part of the library, not part of the client code.
– Steve Jessop
Jun 13 '12 at 14:01
...
Overlaying histograms with ggplot2 in R
...e nicely with more complicated plots, such as mixed calls to aes() and aes_string().
– rensa
Apr 4 '16 at 3:41
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