大约有 15,400 项符合查询结果（耗时：0.0376秒） [XML]
Get only part of an Array in Java?
...rom java.util.Arrays class:
int[] newArray = Arrays.copyOfRange(oldArray, startIndex, endIndex);
startIndex is the initial index of the range to be copied, inclusive.
endIndex is the final index of the range to be copied, exclusive. (This index may lie outside the array)
E.g.:
//index ...
How to remove files that are listed in the .gitignore but still on the repository?
...all comments from the print
delete all empty lines
add 'git rm -r ' to the start of the line
execute every line.
share
|
improve this answer
|
follow
|
...
Empty Visual Studio Project?
...owBase;then click OK;
now you Solution Explorer should look like this :
starting coding and creating your Dynamic Generated WPF Application;
follow these steps if more References are needed depending on the code used;
sha...
How can I reverse a list in Python?
...
[start:stop:step] so step is -1
– papalagi
Sep 26 '12 at 3:36
40
...
Adding a new entry to the PATH variable in ZSH
...: Yes. When you open a shell it inherits PATH from the parent process that started it, and then when it runs .zshrc (or .bashrc or whatever), that's what lets you add extra things to that path.
– Linuxios
Nov 18 '19 at 0:04
...
Watch multiple $scope attributes
...
Starting from AngularJS 1.3 there's a new method called $watchGroup for observing a set of expressions.
$scope.foo = 'foo';
$scope.bar = 'bar';
$scope.$watchGroup(['foo', 'bar'], function(newValues, oldValues, scope) {
//...
Replace console output in Python
...more sophisticated is a progress bar... this is something I am using:
def startProgress(title):
global progress_x
sys.stdout.write(title + ": [" + "-"*40 + "]" + chr(8)*41)
sys.stdout.flush()
progress_x = 0
def progress(x):
global progress_x
x = int(x * 40 // 100)
sys.s...
Grep characters before and after match?
...
A good answer for small amounts of data, but it starts getting slow when you are matching >100 characters - e.g. in my giant xml file, I want {1,200} before and after, and it is too slow to use.
– Benubird
Oct 18 '13 at 11:27
...
Is there a way to ignore header lines in a UNIX sort?
...to a temporary file, then run the above command on that new file, but it's starting to get ugly enough that it's probably better to use one of the awk-based solutions given in the other responses.
– BobS
Nov 23 '14 at 0:04
...
How to check if a float value is a whole number
...
Wouldn't it be easier to test the cube roots? Start with 20 (20**3 = 8000) and go up to 30 (30**3 = 27000). Then you have to test fewer than 10 integers.
for i in range(20, 30):
print("Trying {0}".format(i))
if i ** 3 > 12000:
print("Maximum integral ...