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Swift - Split string over multiple lines
... need to manually add the \n character. For example, in the REPL: println("foo\n" + "bar") prints foo and bar on separate lines.
– Brian Gerstle
Jul 8 '15 at 17:41
...
How does Apple know you are using private API?
...g private methods. I think the compiler will generate call to objc_msgSend(foo, @selector(privateMethod)) for [foo privateMethod], so if Apple can detect the direct call of privateMethod they can also detect the indirect call via objc_msgSend(or performSelector:).
– an0
...
How to select from subquery using Laravel Query Builder?
...") )->select(
'something',
DB::raw('sum( qty ) as qty'),
'foo',
'bar'
);
$other->mergeBindings( $sub );
$other->groupBy('something');
$other->groupBy('foo');
$other->groupBy('bar');
print $other->toSql();
$other->get();
Special atention how to make the merge...
iOS JavaScript bridge
...tObject
@interface WebScriptBridge: NSObject
- (void)someEvent: (uint64_t)foo :(NSString *)bar;
- (void)testfoo;
+ (BOOL)isKeyExcludedFromWebScript:(const char *)name;
+ (BOOL)isSelectorExcludedFromWebScript:(SEL)aSelector;
+ (WebScriptBridge*)getWebScriptBridge;
@end
static WebScriptBridge *gWebS...
How to represent multiple conditions in a shell if statement?
...ons. For example: if [ -n "${check_inodes}" ] && [ "$(stat -f %i "/foo/bar")" = "$(stat -f %i "/foo/baz")" ]. Doing it this way, if check_inodes is empty, you avoid two calls to stat, whereas a larger, complex test condition must process all arguments before executing (which can also lead to...
Clean code to printf size_t in C++ (or: Nearest equivalent of C99's %z in C++)
...you can still combine it with IOStreams to get type-safe behavior:
size_t foo = bar;
ostringstream os;
os << foo;
printf("%s", os.str().c_str());
It's not super-efficient, but your case above deals with file I/O, so that's your bottleneck, not this string formatting code.
...
How to cast an Object to an int
... member. This index can be accessed via Enum.ordinal(), for example:
enum Foo { BAR, BAZ, QUX }
// ...
Object baz = Foo.BAZ;
int index = ((Enum)baz).ordinal(); // 1
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How to use the 'main' parameter in package.json?
...e primary entry point to your
program. That is, if your package is named foo, and a user installs
it, and then does require("foo"), then your main module's exports
object will be returned.
This should be a module ID relative to the root of your package
folder.
For most modules, it ...
Character reading from file in Python
...y you can use the iconv command line utility to clean up your file:
$ xxd foo
0000000: e280 980a ....
$ iconv -t 'ascii//translit' foo | xxd
0000000: 270a '.
...
What should I do if two libraries provide a function with the same name generating a conflict?
...he functions through a function pointer.
e.g.
HMODULE lib = LoadLibrary("foo.dll");
void *p = GetProcAddress(lib, "bar");
// cast p to the approriate function pointer type (fp) and call it
(*fp)(arg1, arg2...);
FreeLibrary(lib);
would get the address of a function named bar in foo.dll and call i...