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How do I reverse an int array in Java?
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Can any one suggest a reversal with out temp variable !!
– sg28
Jul 11 '18 at 6:23
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Getting value of select (dropdown) before change
... this solution. If you change the value once it will work but if you do it one more time it won't. You have to click somewhere to loose focus and another click on the dropdown. I suggest: $("#dropdownId").on('change', function () { var ddl = $(this); var previous = ddl.data...
How to get existing fragments when using FragmentPagerAdapter
...ave the Fragment references in WeakReference variables instead of standard ones. Like this:
WeakReference<Fragment> m1stFragment = new WeakReference<Fragment>(createdFragment);
// ...and access them like so
Fragment firstFragment = m1stFragment.get();
if (firstFragment != null) {
//...
How does “cat
...ly leading tab characters are stripped -- not soft tab characters. This is one of those rare case when you actually need the tab character. If the rest of your document uses soft tabs, make sure to show invisible characters and (e.g.) copy and paste a tab character. If you do it right, your syntax h...
Difference between events and delegates and its respective applications [closed]
...es an event when the stock prices reaches the Limit. This notification is done via an event. Whether anyone actually cares about this event and subscribes to it is beyond the concern of the owner class.
A delegate is a more generic term to describe a construct similar to a pointer in C/C++ terms. A...
Grant **all** privileges on database
...bringing alot to the table here - i don't name my users myuser - the questioner was simply using a username as an example - i used the same example username for consistency.
– diagonalbatman
Feb 16 '11 at 13:44
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std::enable_if to conditionally compile a member function
...use std::enable_if to choose between two member-functions and allow only one of them to be used.
7 Answers
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Undefined behavior and sequence points
...tors indicated are the built-in operators, as described in clause 5. When one of these operators is overloaded (clause 13) in a valid context, thus designating a user-defined operator function, the expression designates a function invocation and the operands form an argument list, without an implie...
What are named pipes?
...led "Named pipes", but they behave differently. On Unix, a named pipe is a one-way street which typically has just one reader and one writer - the writer writes, and the reader reads, you get it?
On Windows, the thing called a "Named pipe" is an IPC object more like a TCP socket - things can flow b...
Java exception not caught?
...exception thrown earlier in try or catch block.
Java 7 example: http://ideone.com/0YdeZo
From Javadoc's example:
static String readFirstLineFromFileWithFinallyBlock(String path)
throws IOException {
BufferedReader br = new BufferedReader(...