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Extracting bits with a single multiplication
... In the above case, your mask would be 00100100 and the result 00a00b00.
Now the hard part: turning that into ab.......
A multiplication is a bunch of shift-and-add operations. The key is to allow overflow to "shift away" the bits we don't need and put the ones we want in the right place.
Multip...
Disable browser 'Save Password' functionality
...strict requirement to pass XHTML validation with the actual markup (don't know why it would be though) you could theoretically add this attribute with javascript afterwards but then users with js disabled (probably a neglectable amount of your userbase or zero if your site requires js) will still ha...
Test if a class has an attribute?
... @alexanderb you are of course right. I've updated my answer now. I must of not checked my answer against the compiler at the time! Thanks for pointing out the error
– RichardOD
Jun 23 '12 at 16:05
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How to delete a stash created with git stash create?
... Fair enough. I create my stashes using just git stash - I don't know if that actually maps to git stash create or something else. Git is certainly something I'm still learning about (if it wasn't, I wouldn't be reading SO Q&As like this.)
– ArtOfWarfare
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How can I get the font size and font name of a UILabel?
...a UILabel which I set a font size and a font name with Interface Builder. Now I have to read the values of both in my ViewController.
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Windows batch file file download from a URL
...missions, let this stand as a perfect proof of concept that clicking on unknown .bat and .ps1 files can really screw up your stuff.
– 1934286
Nov 29 '18 at 23:22
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Unit testing for C++ code - Tools and methodology [closed]
...king on a large c++ system that is has been in development for a few years now. As part of an effort to improve the quality of the existing code we engaged on a large long-term refactoring project.
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input type=file show only button
...some real quirky file input style behavior with different mobile browsers. Now my file input control does not stand out like a sore thumb with the rest of my layout. Thanks much, wish I could up vote more than 1.
– Highdown
Aug 16 '16 at 15:21
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What is the difference between Hibernate and Spring Data JPA
...el i.e. Spring Data JPA. With the first exception you potentially have to know the lower levels i.e. Hibernate, JDBC and the Database.
– Marmite Bomber
Aug 13 '19 at 16:26
add...
Selecting multiple columns in a pandas dataframe
I have data in different columns but I don't know how to extract it to save it in another variable.
18 Answers
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