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Creating a “logical exclusive or” operator in Java
...whether the inputs are different. It is a lot easier to understand if you know the fabrication of the actual XOR gate.
– hfontanez
Apr 9 '15 at 20:31
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Getting the current page
...he last of which - page five - will show that remaining 0.313 of content.
Now, numberOfPages being five means that the page indices will be 0, 1, 2, 3, and 4.
When I swipe rightwards, paging towards the final offset, the scrollViewDidEndDecelerating method gives a final X offset of 2412.
Applyin...
Histogram Matplotlib
... I have the center of the bins and the number of events per bin. How can I now plot is as a histogram. I tried just doing
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How to Get Element By Class in JavaScript?
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Of course, all modern browsers now support the following simpler way:
var elements = document.getElementsByClassName('someClass');
but be warned it doesn't work with IE8 or before. See http://caniuse.com/getelementsbyclassname
Also, not all browsers wi...
disable textbox using jquery?
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I know it is not a good habit to answer an old question but I'm putting this answer for people who would see the question afterwards.
The best way to change the state in JQuery now is through
$("#input").prop('disabled', true...
How to change column datatype in SQL database without losing data
...; Uncheck --> Prevent saving changes that required table re-creation.
Now you can easily change the column name without recreating the table or losing u r records.
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Regular expressions in an Objective-C Cocoa application
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also Mac OS X 10.7 now
– user102008
Jul 21 '11 at 3:07
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How to “inverse match” with regex?
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Don't know which language it is written in, but worked like a charm in Sublime text to clean up my test data. Thanks!
– Matthias dirickx
May 4 '17 at 11:21
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What is the $$hashKey added to my JSON.stringify result
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Angular adds this to keep track of your changes, so it knows when it needs to update the DOM.
If you use angular.toJson(obj) instead of JSON.stringify(obj) then Angular will strip out these internal-use values for you.
Also, if you change your repeat expression to use the track ...
How do I specify unique constraint for multiple columns in MySQL?
...mple:
PRODUCT_NAME, PRODUCT_VERSION
'glass', null
'glass', null
'wine', 1
Now if you try to insert ('wine' 1) again it will report a constraint violation
Hope this helps
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