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Are database triggers evil? [closed]

... (sometimes with finer granularity than you can get declaratively); and usually not for business or transactional purposes. YMMV. share | improve this answer | follow ...
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How to identify whether a file is normal file or directory

...ases. Use os.path.islink() for symlinks for instance. Furthermore, these all return False if the file does not exist, so you'll probably want to check with os.path.exists() as well. share | improv...
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Concatenate a vector of strings/character

... Just a note that if sdata can contain either strings which are all of the same length or of variable lengths then paste(sdata, sep = '', collapse = '') should be used to avoid unexpected results. – zelanix Jan 19 '14 at 22:03 ...
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How do I programmatically determine if there are uncommitted changes?

...ing git diff once solves the issue (surprisingly enough, git diff does actually change the content of the sandbox, meaning here .git/index) These timestamp issues can also occur if git is running in docker. Original answer: "Programmatically" means never ever rely on porcelain commands. Always rel...
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Choose between ExecutorService's submit and ExecutorService's execute

...g the task to be invoked. The default UncaughtExceptionHandler, which typically prints the Throwable stack trace to System.err, will be invoked if no custom handler has been installed. On the other hand, a Throwable generated by a task queued with submit() will bind the Throwable to the Future that...
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Check if a dialog is displayed with Espresso

..., based on text with id onView(withId(R.id.myDialogTextId)).check(matches(allOf(withText(myDialogText), isDisplayed())); To click on dialogs button do this (button1 - OK, button2 - Cancel): onView(withId(android.R.id.button1)).perform(click()); UPDATE I think is possible since Espresso has mult...
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Can I add extension methods to an existing static class?

...lass (or facade) that implements the same signature and defers the actual call to the real ConfigurationManager. You can add whatever method you want to the wrapper class so it doesn't need to be an extension. – tvanfosson Feb 18 '10 at 18:35 ...
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How to use continue in jQuery each() loop?

In my application i am using AJAX call. I want to use break and continue in this jQuery loop. 4 Answers ...
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WebApi's {“message”:“an error has occurred”} on IIS7, not in IIS Express

... tracing for 500 errors. That gave a little bit of information, but the really helpful thing was in the web.config setting the <system.web><customErrors mode="Off"/></system.web> This pointed to a missing dynamically-loaded dependency. After adding this dependency and telling it ...
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Why avoid increment (“++”) and decrement (“--”) operators in JavaScript?

...ly creating a temporary object. I find the postfix operator more aesthetically pleasing though. – mc0e Jan 11 '14 at 8:22 ...