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How to display default text “--Select Team --” in combo box on pageload in WPF?
...options, but this is probably the simplest way to do it.
There is however one downside to this method which is while the text inside your combo box will not be editable, it is still selectable. However, given the poor quality and complexity of every alternative I've found to date, this is probably ...
In Firebase, is there a way to get the number of children of a node without loading all the node dat
...o count children without loading data, but we do plan to add it.
For now, one solution would be to maintain a counter of the number of children and update it every time you add a new child. You could use a transaction to count items, like in this code tracking upvodes:
var upvotesRef = new Firebas...
What's causing my java.net.SocketException: Connection reset? [duplicate]
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In response to Zombies comment, did anyone ever find out if the connection reset means the server has closed the connection?
– James
Jun 14 '11 at 17:26
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Some projects cannot be imported because they already exist in the workspace error in Eclipse
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doesn´t work in all cases, it´s better to rename one of the two.
– Sebastian Juarez
Dec 20 '12 at 7:34
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Get the IP address of the machine
...ly, it works fine for me on os x 10.5 and should be the same below.
I've done a quick example below which will print all of the machine's IPv4 address, (you should also check the getifaddrs was successful ie returns 0).
I've updated it show IPv6 addresses too.
#include <stdio.h>
#incl...
What is a lambda (function)?
...fields and functions, whereas a lambda function generally only consists of one line of instructions. This can vary depending on the language of course.
– zdimension
Apr 20 '18 at 13:05
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Is the ternary operator faster than an “if” condition in Java [duplicate]
I am prone to " if-conditional syndrome " which means I tend to use if conditions all the time. I rarely ever use the ternary operator. For instance:
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ExecutorService that interrupts tasks after a timeout
...he cancel is a no op and work continues unchanged. There only needs to be one extra thread scheudling to cancel the tasks and one thread to run them. You could have two executors, one to submit your main tasks and one to cancel them.
– John Vint
May 3 '10 at ...
Why use jQuery on() instead of click()
...ick', function() { // code
});
In the sense that it only add the handler one time to all elements with class elementClass. If you have a new elementClass coming from, for example $('<div class="elementClass" />'), the handler won't be bound on that new element, you need to do:
$('#container...
Why does C++ rand() seem to generate only numbers of the same order of magnitude?
...bout the distribution. Uniform is just a special case, albeit an important one. Might be a good place to point out various distributions from the C++11 standard library.
– leftaroundabout
Jun 20 '13 at 21:43
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