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How can I set the WiX installer version to the current build version?
...rsion="!(bind.FileVersion.FileId)" (replace FileId with the Id of the file from which you'd like to get the version number) and light.exe will populate the value with the version of the file referenced by the FileId.
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Detect browser or tab closing
...ourse this will still work, they just removed a custom String return value from onbeforeunload. So now you're no longer be able to display a custom message before unloading.
– jAndy
Jun 16 '17 at 15:37
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How should I validate an e-mail address?
What's a good technique for validating an e-mail address (e.g. from a user input field) in Android? org.apache.commons.validator.routines.EmailValidator doesn't seem to be available. Are there any other libraries doing this which are included in Android already or would I have to use RegExp?
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Can hash tables really be O(1)?
...xpected worst case time if you pick your hash function uniformly at random from a universal family of hash functions. Expected worst case is not the same as average case.
Disclaimer: I don't formally prove hash tables are O(1), for that have a look at this video from coursera [1]. I also don't disc...
Renaming a branch in GitHub
...oing a push with no local_branch specified essentially means "take nothing from my local repository, and make it the remote branch". I've always thought this to be completely kludgy, but it's the way it's done.
As of Git 1.7 there is an alternate syntax for deleting a remote branch:
git push origin...
jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
...rgument is named, its existence is all that matters. I ran into this issue from too much copy/pasta.
The Jasmine Asynchronous Support docs note that argument (named done above) is a callback that can be called to let Jasmine know when an asynchronous function is complete. If you never call it, Jasm...
What is an SSTable?
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Sorted Strings Table (borrowed from google) is a file of key/value string pairs, sorted by keys
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What does the “Just” syntax mean in Haskell?
...meter, which means that when used as a constructor it acts like a function from type a to Maybe a, i.e. it has the type a -> Maybe a
So, the constructors of a type build a value of that type; the other side of things is when you would like to use that value, and that is where pattern matching co...
Undefined, unspecified and implementation-defined behavior
...cts of the C and C++ language that can be surprising to programmers coming from other languages (other languages try to hide it better). Basically, it is possible to write C++ programs that do not behave in a predictable way, even though many C++ compilers will not report any errors in the program!...
Android: how do I check if activity is running?
...efly.
Depending on what you are trying to do (update the current activity from a service?). You could just register a static listener in the service in your activity onStart method then the correct listener will be available when your service wants to update the UI.
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