大约有 24,000 项符合查询结果(耗时:0.0426秒) [XML]

https://stackoverflow.com/ques... 

Android Get Current timestamp?

... you are using System.currentTimeMillis(), consider listening to the ACTION_TIME_TICK, ACTION_TIME_CHANGED and ACTION_TIMEZONE_CHANGED Intent broadcasts to find out when the time changes. share | i...
https://stackoverflow.com/ques... 

How to update a menu item shown in the ActionBar?

...e-writing the desire text worked without problems: if (mnuTopMenuActionBar_ != null) { MenuItem mnuPageIndex = mnuTopMenuActionBar_ .findItem(R.id.menu_magazin_pageOfPage_text); if (mnuPageIndex != null) { if (getScreenOrientation() == 1) { mnuPageIndex.setTitle...
https://stackoverflow.com/ques... 

powershell - extract file name and extension

... select -ExpandProperty value $b | % {"File name:{0} - Extension:{1}" -f $_.substring(0, $_.lastindexof('.')) , $_.substring($_.lastindexof('.'), ($_.length - $_.lastindexof('.'))) } If is a file you can use something like this based on your needs: $a = dir .\my.file.xlsx # or $a = get-item c:\m...
https://stackoverflow.com/ques... 

Removing duplicate rows in vi?

... awk '!x[$0]++' yourfile.txt if you want to preserve the order (i.e., sorting is not acceptable). In order to invoke it from vim, :! can be used. share | improve this answer ...
https://stackoverflow.com/ques... 

How to get RGB values from UIColor?

...rView.backgroundColor;//line 2 CGColorRef colorRef = [color CGColor]; int _countComponents = CGColorGetNumberOfComponents(colorRef); if (_countComponents == 4) { const CGFloat *_components = CGColorGetComponents(colorRef); CGFloat red = _components[0]; CGFloat green = _components[1...
https://stackoverflow.com/ques... 

Zip lists in Python

...x. list, string, tuple, dictionary) Output (list) 1st tuple = (element_1 of numbers, element_1 of letters) 2nd tuple = (e_2 numbers, e_2 letters) … n-th tuple = (e_n numbers, e_n letters) List of n tuples: n is the length of the shortest argument (input) len(numbers) =...
https://stackoverflow.com/ques... 

Python Dictionary Comprehension

...a subclass of dict which works somewhat like a defaultdict if you override __missing__: >>> class KeyDict(dict): ... def __missing__(self, key): ... #self[key] = key # Maybe add this also? ... return key ... >>> d = KeyDict() >>> d[1] 1 >>> d[2] ...
https://stackoverflow.com/ques... 

Which is faster: while(1) or while(2)?

...intel with an optimization flag): With -O0: .file "main.c" .intel_syntax noprefix .def __main; .scl 2; .type 32; .endef .text .globl main .def main; .scl 2; .type 32; .endef .seh_proc main main: push rbp .seh_pushreg rbp mov rbp,...
https://stackoverflow.com/ques... 

Create SQL script that create database and tables

... Not sure why SSMS doesn’t take into account execution order but it just doesn’t. This is not an issue for small databases but what if your database has 200 objects? In that case order of execution does matter because it’s not really easy to go through all of these. For unor...
https://stackoverflow.com/ques... 

Iterating each character in a string using Python

...imply implement an iterator that defines a next() method, and implement an __iter__ method on a class to make it iterable. (the __iter__ of course, should return an iterator object, that is, an object that defines next()) See official documentation ...