大约有 15,000 项符合查询结果（耗时：0.0316秒） [XML]
Difference between fprintf, printf and sprintf?
...xception_fmt::exception_fmt(char const* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vsnprintf(msg_, sizeof msg_, fmt, ap);
va_end(ap);
}
int main(int ac, char** av)
{
throw exception_fmt("%s: bad number of arguments %d", *av, ac);
}
$ g++ -Wall -o test test.cc
$ ./test
terminat...
How do I merge two javascript objects together in ES6+?
...ript-rest-spread I never realized that because I've been using it from the start with babel and it's enabled by default. But since you need to transpile anyway, and the object spread is a pretty straightforward thing I would recommend it anyway. I love it.
– Thijs Koerselman
...
How to make a python, command-line program autocomplete arbitrary things NOT interpreter
...dline
def completer(text, state):
options = [i for i in commands if i.startswith(text)]
if state < len(options):
return options[state]
else:
return None
readline.parse_and_bind("tab: complete")
readline.set_completer(completer)
The official module docs aren't much ...
How to load json into my angular.js ng-model?
...ning your journey with Angular - I was there last week - so I recommend to start experimenting directly with the $http service. In this case you can call its get method.
If you have the following JSON
[{ "text":"learn angular", "done":true },
{ "text":"build an angular app", "done":false},
{ "te...
bootstrap popover not showing on top of all elements
...ssue, the popover doesn't stick with the original trigger element once you start dragging things around the screen, zooming in or out, or resizing the window. Looking for a better answer for this myself.
– MSC
May 26 '16 at 8:26
...
Delete keychain items when an app is uninstalled
...ve a look at that thread: stackoverflow.com/questions/20269116/…. If you start your app from the background, there are cases where your custom keys in NSUserDefaults are just not set. Applying this answer would lead to delete your Keychain custom keys although you really didn't want that!
...
Strings in a DataFrame, but dtype is object
...1].
If you ask your computer to fetch the 3rd element in the array, it'll start at the beginning and then jump across 64 bits to get to the 3rd element. Knowing exactly how many bits to jump across is what makes arrays fast.
Now consider the sequence of strings ['hello', 'i', 'am', 'a', 'banana']. ...
Exception 'open failed: EACCES (Permission denied)' on Android
...
This permission is enforced starting in API level 19. Before API level 19, this permission is not enforced and all apps still have access to read from external storage.
– AndroidGeek
Jul 1 '15 at 8:15
...
Copy files from one directory into an existing directory
...irectory and copies it to the target, then returns back to whence ever you started.
The extra fussing is to handle relative or absolute targets.
(This doesn't rely on subtle semantics of the cp command itself ... about how it handles source specifications with or without a trailing / ... since I'm...
How best to include other scripts?
...
I know I am late to the party, but this should work no matter how you start the script and uses builtins exclusively:
DIR="${BASH_SOURCE%/*}"
if [[ ! -d "$DIR" ]]; then DIR="$PWD"; fi
. "$DIR/incl.sh"
. "$DIR/main.sh"
. (dot) command is an alias to source, $PWD is the Path for the Working Di...