大约有 43,000 项符合查询结果（耗时：0.0503秒） [XML]
jquery: $(window).scrollTop() but no $(window).scrollBottom()
...'s answer below). What this gives is the # of vertical pixel from document _top_ to the visible window Bottom. It is useful for sure, though can't call it the opposite to ScrollBottom (I know this is a marked answer but for future readers like myself)
– DeepSpace101
...
How to explicitly discard an out argument?
...ublic void PrintXCoordinate(Point p)
{
p.GetCoordinates(out int x, out _); // I only care about x
WriteLine($"{x}");
}
Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/
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Why does the default parameterless constructor go away when you create one with parameters
...n. Making the parameterless constructor private.
– mw_21
Aug 3 '12 at 8:53
5
That's not the same....
关于我们 · App Inventor 2 中文网，少儿编程陪伴者
...员中心 中文社区 关于 var _hmt = _hmt || []; (function() { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNod...
Determine if Android app is being used for the first time
...t is the "First time" the app is launched.
Just use a Boolean variable ("my_first_time") and change its value to false when your task for "first time" is over.
This is my code to catch the first time you open the app:
final String PREFS_NAME = "MyPrefsFile";
SharedPreferences settings = getShared...
Detecting when the 'back' button is pressed on a navbar
...(the NavigationController) with the help of willMoveToParentViewController(_:) OR didMoveToParentViewController()
If parent is nil, the view controller is being popped off the navigation stack and dismissed. If parent is not nil, it is being added to the stack and presented.
// Objective-C
-(void...
What is TypeScript and why would I use it in place of JavaScript? [closed]
...since ES2015, this may actually exists during runtime as a variable called _this (see this answer). This may confuse you during debugging but generally is not a problem if you know about it or inspect the JavaScript code. It should be noted that Babel suffers the exact same kind of issue.
There are ...
How to set a Fragment tag by code?
...ager().beginTransaction()
.replace(R.id.MainFrameLayout,fragmentA,"YOUR_TARGET_FRAGMENT_TAG")
.addToBackStack("YOUR_SOURCE_FRAGMENT_TAG").commit();
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YYYY-MM-DD format date in shell script
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$(date +%F_%H-%M-%S)
can be used to remove colons (:) in between
output
2018-06-20_09-55-58
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...
^M at the end of every line in vim
...
" then you can do: Dos2Unix
" dos2unix ^M
fun! Dos2unixFunction()
let _s=@/
let l = line(".")
let c = col(".")
try
set ff=unix
w!
"%s/\%x0d$//e
catch /E32:/
echo "Sorry, first save the file."
endtry
let @/=_s
call cursor(l, c)
endfun
c...