大约有 48,000 项符合查询结果(耗时:0.0462秒) [XML]
Undo git reset --hard with uncommitted files in the staging area
...ache --unreachable $(git for-each-ref --format="%(objectname)") > all
Now the object names of those unreachable commits can be found with:
egrep commit all | cut -d ' ' -f 3
So you can find just the trees and objects that have been added to the index, but not committed at any point, with:
g...
Android Bitmap to Base64 String
...Stream is = new Base64InputStream( new FileInputStream(yourFileHere) );
//Now that we have the InputStream, we can read it and put it into the String
final StringWriter writer = new StringWriter();
IOUtils.copy(is , writer, encoding);
final String yourBase64String = writer.toString();
As you can ...
How to get notified about changes of the history via history.pushState?
So now that HTML5 introduces history.pushState to change the browsers history, websites start using this in combination with Ajax instead of changing the fragment identifier of the URL.
...
How do I disable orientation change on Android?
...in 2009 when I first answered the question and it really isn't a good idea now. See this answer by hackbod for reasons:
Avoid reloading activity with asynctask on orientation change in android
Add android:configChanges="keyboardHidden|orientation" to your AndroidManifest.xml. This tells the syste...
Why did my Git repo enter a detached HEAD state?
...eriment without creating a new branch:
git switch --detach HEAD~3
HEAD is now at 9fc9555312 Merge branch 'cc/shared-index-permbits'
it cannot detached by mistake a remote tracking branch
See:
C:\Users\vonc\arepo>git checkout origin/master
Note: switching to 'origin/master'.
You are in 'd...
PHP method chaining?
...
@alex: I don't have PHP 4 to test with right now, but I'm pretty sure not.
– BoltClock♦
Sep 16 '10 at 6:23
...
Why do some claim that Java's implementation of generics is bad?
...ns. Their design goals were not very well thought out for what was needed. Now we're all stuck with just a boat and we can't climb mountains.
– WiegleyJ
Dec 12 '17 at 21:11
1
...
MySQL SELECT only not null values
...uld use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL on either side of the expression.)
SELECT *
FROM table
WHERE YourColumn IS NOT NULL;
Just for completeness I'll mention that in MySQL you can also negate the null safe equality operator but this is not sta...
Scrolling child div scrolls the window, how do I stop that?
...er scroll wheels disappear and reappear based on the user moving the mouse now, so the above comment is problem no longer an issue.
– Keith Holliday
Oct 16 '15 at 3:42
...
Singleton with Arguments in Java
...ine arguments?", and the answer is that it makes a lot of sense. One could now say that this is fairly different from a singleton class, except if the class is actually the Main class that does receive the args[] from the main method - then it's even the same thing. The final argument, which might j...
