大约有 46,000 项符合查询结果（耗时：0.0664秒） [XML]
How to programmatically take a screenshot on Android?
... to save the file:
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
And this is the code (running in an Activity):
private void takeScreenshot() {
Date now = new Date();
android.text.format.DateFormat.format("yyyy-MM-dd_hh:mm:ss", now);
try {
...
C# generic type constraint for everything nullable
...unacceptable, but just in case:
public class Foo<T>
{
private T item;
public Foo()
{
var type = typeof(T);
if (Nullable.GetUnderlyingType(type) != null)
return;
if (type.IsClass)
return;
throw new InvalidOperationExceptio...
Remove Identity from a column in a table
... have a 5GB table (nearly 500 million rows) and we want to remove the identity property on one of the column, but when we try to do this through SSMS - it times out.
...
How to programmatically determine the current checked out Git branch [duplicate]
....g. a Linux distro, Cygwin, OSX), what is the best way to determine which Git branch is currently checked out in a working directory?
...
How do I use floating-point division in bash?
...G2_WIDTH" | bc) or VAR=$(bc <<<"scale=2;$IMG_WIDTH/$IMG2_WIDTH") without $(( )) (double parentheses) ; which is expanded by the bash before executing command
– Nahuel Fouilleul
Oct 4 '12 at 7:32
...
How to force JS to do math instead of putting two strings together
I need javascript to add 5 to an integer variable, but instead it treats the variable as a string, so it write out the variable, then add 5 onto the end of the "string". How can I force it to do math instead?
...
What are paramorphisms?
...lassic paper , I'm stuck on paramorphisms. Unfortunately the section is quite thin, and the Wikipedia page doesn't say anything.
...
How do you remove a specific revision in the git history?
Suppose your git history looks like this:
9 Answers
9
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Difference between window.location.href=window.location.href and window.location.reload()
...f I remember correctly, window.location.reload() reloads the current page with POST data, while window.location.href=window.location.href does not include the POST data.
As noted by @W3Max in the comments below, window.location.href=window.location.href will not reload the page if there's an anchor...
Installing vim with ruby support (+ruby)
...ample vim-nox.
simply:
sudo apt-get install vim-nox;
will get you vim with ruby, as well as compiled in "support for scripting with Perl, Python, Ruby, and TCL but no GUI."
sudo apt-get install vim-rails
will install a "selection of vimscripts that make editing Ruby on Rails applications extr...