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SQLite table constraint - unique on multiple columns

...Some other title'); sqlite> .mode col sqlite> .headers on sqlite> select * from t1; id a b ---------- ---------- ---------------- 1 Alice Some other title 2 Bob Palindromic guy 3 Charles chucky cheese sq...
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UILabel sizeToFit doesn't work with autolayout ios6

...ContentHuggingPriority and vertical ContentCompressionResistancePriority. Select and edit height constraint. And decrease height constraint priority. Enjoy. :) share | improve this answer ...
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How to pass the -D System properties while testing on Eclipse?

... Run -> Run configurations, select project, second tab: “Arguments”. Top box is for your program, bottom box is for VM arguments, e.g. -Dkey=value. share | ...
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What is the difference between encode/decode?

...so the \u360 would be one character, not 5. Then you decode a string (with selected encoding) and get brand new object of the unicode type. Just as a side note - you can select some pervert encoding, like 'zip', 'base64', 'rot' and some of them will convert from string to string, but I believe the ...
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What is the http-header “X-XSS-Protection”?

..." feature allows following attacks: X-XSS-Protection: 1 allows attacker to selectively block parts of JavaScript and keep rest of the scripts running. This is possible because the heuristics of this feature are simply "if value of any GET parameter is found in the scripting part of the page source, ...
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jQuery find parent form

... I would suggest using closest, which selects the closest matching parent element: $('input[name="submitButton"]').closest("form"); Instead of filtering by the name, I would do this: $('input[type=submit]').closest("form"); ...
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Should I use #define, enum or const?

... this type. To track the current state of a record and to create a mask to select records in certain states. Create an inline function to test if the value of the type is valid for your purpose; as a state marker vs a state mask. This will catch bugs as the typedef is just an int and a value such as...
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How does this giant regex work?

... user account is not root, and make sure you remove MySQL FILE privileges from the account. You should also go a step further and do a chmod 500 -R /path/to/web/root and do a chown www-data -R /path/to/web/root www-data is a common user for apache, but it might be differnt for your system try r...
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Should I use Vagrant or Docker for creating an isolated environment? [closed]

...ow works on Windows 10 Pro and up and Windows Server 2016. I just upgraded from Windows 10 Home to Windows 10 Pro and installed the docker app. I can now run Linux docker images on Windows 10. It's brilliant! – PrestonDocks Nov 11 '16 at 19:02 ...
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Summarizing multiple columns with dplyr? [duplicate]

... I mean, the behavior like in select would be great: summarize(df, a:c, d=paste(d, collaspe =',' ) . Just want to put more original columns in for reference – biocyberman Aug 8 '15 at 17:28 ...