大约有 43,000 项符合查询结果（耗时：0.0565秒） [XML]
Call int() function on every list element?
...umbers)
is faster.
Probably this will not matter in most cases
Useful read: LP vs map
share
|
improve this answer
|
follow
|
...
Disable a Button
... I also get an error if I change (_ sender: ) to UIButton . The error reads: Value of type '(UIButton) -> ()' has no member 'isEnabled'
– user9470831
Feb 5 '19 at 4:25
...
Should I use window.navigate or document.location in JavaScript?
...
document.location is a (deprecated but still present) read-only string property, replaced by document.url.
share
|
improve this answer
|
follow
...
How can I use “:” as an AWK field separator?
...he main loop rather than the BEGIN loop, it takes affect for the next line read in, since the current line has already been split.
share
|
improve this answer
|
follow
...
start MySQL server from command line on Mac OS Lion
..../bin/mysqld_safe
if you are still having issues starting, a recommended read:
mysql5.58 unstart server in mac os 10.6.5
share
|
improve this answer
|
follow
...
How to install GCC piece by piece with GMP, MPFR, MPC, ELF, without shared libraries?
...cause we don't want them (typical users may want both), and to use posix threads and to flags that are defaults because we want them (typical users may want to use other threads or skip default flags). YMMV and read about the flags here
/opt/downloads/gcc-4.6.2/configure
--disable-shared
--disa...
How to select a radio button by default? [duplicate]
... I was surprised that the accepted answer didn't work - until I read your comment. I too am using AngularJS, and this worked a treat!
– James
Jan 11 '16 at 19:24
1
...
Converting Integer to String with comma for thousands
...sk for commas to indicate thousands, but perhaps you mean "in normal human readable form according to the local custom of your user"?
You do it as so:
int i = 35634646;
String s = NumberFormat.getIntegerInstance().format(i);
Americans will get "35,634,646"
Germans will get "35.634.646"
...
If isset $_POST
...t filled up, so you must check for the emptiness too.
Since !empty() is already checks for both, you can use this:
if (!empty($_POST["mail"])) {
echo "Yes, mail is set";
} else {
echo "No, mail is not set";
}
...
cv2.imshow command doesn't work properly in opencv-python
...
imshow() only works with waitKey():
import cv2
img = cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('ImageWindow', img)
cv2.waitKey()
(The whole message-loop necessary for updating the window is hidden in there.)
...