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Use of “instanceof” in Java [duplicate]
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Basically, you check if an object is an instance of a specific class.
You normally use it, when you have a reference or parameter to an object that is of a super class or interface type and need to know whether the actual object has some other ...
Why does Math.floor return a double?
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Gama11
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answered Feb 4 '09 at 15:49
krosenvoldkrosenvold
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How to write LaTeX in IPython Notebook?
How can I display LaTeX code in a IPython Notebook?
13 Answers
13
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How do I force files to open in the browser instead of downloading (PDF)?
...s to open in the browser when the option "Display PDF in browser" is unchecked?
13 Answers
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Error message “No exports were found that match the constraint contract name”
...sual Studio 2017 is 15.0
Visual Studio 2019 is 16.0
For those that don't know:
%LocalAppData%\ is the same as C:\Users\{yourUsername}\AppData\Local
For those who have multiple versions of Visual Studio installed, e.g. 2012 and 2013, it might help to remove the ComponentModelCache for both versio...
Is there a VB.NET equivalent for C#'s '??' operator?
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djv
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answered Dec 31 '08 at 16:51
Firas AssaadFiras As...
How to show current time in JavaScript in the format HH:MM:SS?
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function checkTime(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
function startTime() {
var today = new Date();
var h = today.getHours();
var m = today.getMinutes();
var s = today.getSeconds();
// add a...
How to test if list element exists?
I would like to test if an element of a list exists, here is an example
7 Answers
7
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How do I turn off the unlimited whitespace in IntelliJ editor?
...nu -> Settings -> Editor -> General -> Virtual Space and uncheck 'Allow placement of caret after end of line' . You may also uncheck the other options in the Virtual Space panel.
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Android: When should I use a Handler() and when should I use a Thread?
When I need something to run asynchronously , such as a long running task or a logic that uses the network, or for whatever reason,
Starting a new Thread and running it works fine.
Creating a Handler and running it works as well.
What's the difference? When should I use each one?
What are the...