大约有 30,000 项符合查询结果（耗时：0.0403秒） [XML]
get string value from UISegmentedControl
...
wondering why is this call giving me extra argument 'at' in call error in swift 3 with Xcode 8.3
– Umair
Jun 6 '17 at 12:46
...
How to clear stringstream? [duplicate]
...
Typically to 'reset' a stringstream you need to both reset the underlying sequence to an empty string with str and to clear any fail and eof flags with clear.
parser.str( std::string() );
parser.clear();
Typically what happens...
How to remove MySQL root password [closed]
... 2- create a file containing SET PASSWORD FOR root@localhost=PASSWORD(''); called restore; 3- call mysqld_safe --init-file=path/to/restore; Finally log in and change again the password with what you prefer.
– Dario
Mar 12 '16 at 8:39
...
What is the difference between the operating system and the kernel? [closed]
...ervices like:
device driver
process management
memory management
system calls
An operating system also includes applications like the user interface (shell, gui, tools, and services).
share
|
...
How to find common elements from multiple vectors?
... <- max(unlist(L)); LT <- lapply(L, tabulate, nbins = N); v <- do.call(pmin, LT); unlist(sapply(1:N, function(x) rep(x, v[x]))) Another way to do this would use the match function along with negative subscripting to iteratively remove from each of the vectors every element added to the "ker...
HttpServletRequest get JSON POST data [duplicate]
...request.getReader once. Is this true? When I tried this myself, subsequent calls to get the post-data of the request fail.
– B T
Feb 16 '11 at 23:38
10
...
How to Uninstall RVM? [duplicate]
...
rvm implode
or
rm -rf ~/.rvm
And don’t forget to remove the script calls in the following files:
~/.bashrc
~/.bash_profile
~/.profile
And maybe others depending on whatever shell you’re using.
share
...
delete vs delete[] [duplicate]
...
No! you call delete[] when you allocate with new[], otherwise you call delete.
What teacher told you leads to undefined behaviour and, if you are lucky, an application crash.
...
Generating matplotlib graphs without a running X server [duplicate]
... answer is one (perfectly valid!) way of doing it, but you can also simply call matplotlib.use('Agg') before importing matplotlib.pyplot, and then continue as normal.
E.g.
import matplotlib as mpl
mpl.use('Agg')
import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
ax.plo...
Declare a block method parameter without using a typedef
...
Another example (this issue benefits from multiple):
@implementation CallbackAsyncClass {
void (^_loginCallback) (NSDictionary *response);
}
// …
- (void)loginWithCallback:(void (^) (NSDictionary *response))handler {
// Do something async / call URL
_loginCallback = Block_copy(hand...