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Git undo changes in some files [duplicate]
...et A
If you had committed it, then you use the revert command:
# the -n means, do not commit the revert yet
git revert -n <sha1>
# now make sure we are just going to commit the revert to A
git reset B
git commit
If on the other hand, you had committed it, but the commit involved rather a ...
HashMap and int as key
... on Integer object.
That is why, you should use Integer instead of int. I mean hashmap throws an error while putting int as a key (Don't know the meaning of the error that is thrown)
And if you think that, you can make Map performance faster by making a primitive as a key, there is a library calle...
jQuery UI DatePicker - Change Date Format
...
inside the jQuery script code just paste the code.
$( ".selector" ).datepicker({ dateFormat: 'yy-mm-dd' });
this should work.
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How to get primary key column in Oracle?
... column in oracle which is called test and then query
create table test
(
id int,
name varchar2(20),
city varchar2(20),
phone int,
constraint pk_id_name_city primary key (id,name,city)
);
SELECT cols.table_name, cols.column_name, cols.position, cons.status, cons.owner FROM all_constraints cons, al...
Getting a timestamp for today at midnight?
... get start of today and midnight of today. How can I find start of today I mean for 00:00:00
– Happy Coder
Nov 22 '13 at 9:23
...
Handling InterruptedException in Java
...InterruptedExceptions. Well, you signed up on implementing Runnable, which means that you signed up to deal with possible InterruptedExceptions. Either choose a different interface, such as Callable, or follow the second approach above.
Calling Thread.sleep: You're attempting to read a file...
Occurrences of substring in a string
...was just fixing the code in the problem... guess it depends on what bobcom means by number of occurrences in the string...
– codebreach
Apr 24 '09 at 20:52
1
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How many characters can a Java String have?
...K
len: 2147483644 OK
Note: in Java 9, Strings will use byte[] which will mean that multi-byte characters will use more than one byte and reduce the maximum further. If you have all four byte code-points e.g. emojis, you will only get around 500 million characters
...
How do I escape ampersands in XML so they are rendered as entities in HTML?
... an ampersand. An ampersand isn't "illegal" in XML-- it just has a special meaning. It means "all of the characters after this until you hit a semicolon should be translated to something else". When you have an ampersand normally, without the descriptive characters and trailing semicolon, the parser...
java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
...
You should do the transaction in a Handler as follows:
@Override
protected void onPostExecute(String result) {
Log.v("MyFragmentActivity", "onFriendAddedAsyncTask/onPostExecute");
new Handler().post(new Runnable() {
public void run() {
fm = getSuppor...