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How to shorten my conditional statements

... array, and check if your item is in the array: if ([1, 2, 3, 4].includes(test.type)) { // Do something } If a browser you support doesn't have the Array#includes method, you can use this polyfill. Short explanation of the ~ tilde shortcut: Update: Since we now have the includes method...
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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...******************** name: aaa db_schema: test db_table: demo_test key_columns: c1 value_columns: c2 flags: c3 cas_column: c4 expire_time_column: c5 unique_idx_name_on_key: PRIMARY 如上已...
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Does java.util.List.isEmpty() check if the list itself is null? [duplicate]

... You're trying to call the isEmpty() method on a null reference (as List test = null; ). This will surely throw a NullPointerException. You should do if(test!=null) instead (Checking for null first). The method isEmpty() returns true, if an ArrayList object contains no elements; false otherwise ...
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Override Java System.currentTimeMillis for testing time sensitive code

...ncy injection, but even if you used a replaceable singleton you would gain testability. This could almost be automated with search and replace for the singleton version: Replace Calendar.getInstance() with Clock.getInstance().getCalendarInstance(). Replace new Date() with Clock.getInstance().newD...
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Why doesn't Mockito mock static methods?

...nd have necessary abstractions so you can focus on the important pieces. A testing library is a tool - a tool I use to produce better quality, and hopefully better designed, code. What's the point of a testing/mock library when it has limitations that may mean I can't use it when I'm having to integ...
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Will Emacs make me a better programmer? [closed]

...s in pieces, in other postings of his. http://steve-yegge.blogspot.com/2008_04_01_archive.html is probably the most comprehensive, but the info is buried in there since it's on a tangent to the main subject. I guess to summarize: the programmers who are merely good or competent will pick up an IDE ...
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How do you maintain development code and production code? [closed]

...have only the production ready code in the development branch, or should untested latest code be available in the development branch? ...
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“Use of undeclared type” in Swift, even though type is internal, and exists in same module

... For me, I encountered this error when my test target did not have some swift files that my app build target had in compile sources. It was very confusing because the 'undeclared type' was being used in so many other places with no problem, and the error seemed vag...
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Are loops really faster in reverse?

...pt loops really faster when counting backward? If so, why? I've seen a few test suite examples showing that reversed loops are quicker, but I can't find any explanation as to why! ...
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How do I use vim registers?

... How to enable if one has -xterm_clipboard on vim --version. Any simple package to install? (debian/apt-get). Thanks. – DrBeco Aug 24 '14 at 22:30 ...