大约有 35,450 项符合查询结果（耗时：0.0417秒） [XML]
How do I write a “tab” in Python?
...
Drew Dormann
47.5k1111 gold badges101101 silver badges153153 bronze badges
answered Dec 20 '10 at 10:07
SimoneSimone
...
How to base64 encode image in linux bash / shell
...
You need to use cat to get the contents of the file named 'DSC_0251.JPG', rather than the filename itself.
test="$(cat DSC_0251.JPG | base64)"
However, base64 can read from the file itself:
test=$( base64 DSC_0251.JPG )
...
How to customize the background/border colors of a grouped table view cell?
...
100
UPDATE: In iPhone OS 3.0 and later UITableViewCell now has a backgroundColor property that make...
Get a filtered list of files in a directory
...
400
import glob
jpgFilenamesList = glob.glob('145592*.jpg')
See glob in python documenttion
...
Tomcat: How to find out running tomcat version
... : Apache Tomcat/5.5.25
Servlet Specification Version : 2.4
JSP version: 2.0
share
|
improve this answer
|
follow
|
...
Numpy: Get random set of rows from 2D array
...
200
>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, ...
No module named setuptools
...aheer Ahmed
25.4k1111 gold badges6969 silver badges105105 bronze badges
answered Mar 20 '14 at 17:09
ArvindArvind
2,14899 silver b...
Get all attributes of an element using jQuery
...:
(function(old) {
$.fn.attr = function() {
if(arguments.length === 0) {
if(this.length === 0) {
return null;
}
var obj = {};
$.each(this[0].attributes, function() {
if(this.specified) {
obj[this.name] = this.value;
}
});
...
What is the easiest way to push an element to the beginning of the array?
...
390
What about using the unshift method?
ary.unshift(obj, ...) → ary
Prepends objects to the...
Bitwise operation and usage
...bit at a time.
AND is 1 only if both of its inputs are 1, otherwise it's 0.
OR is 1 if one or both of its inputs are 1, otherwise it's 0.
XOR is 1 only if exactly one of its inputs are 1, otherwise it's 0.
NOT is 1 only if its input is 0, otherwise it's 0.
These can often be best shown as truth ...