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How to iterate for loop in reverse order in swift?

... an array with one trillion Ints! Test: var count = 0 for i in lazy(1...1_000_000_000_000).reverse() { if ++count > 5 { break } println(i) } For Swift 2.0 in Xcode 7: for i in (1...10).reverse() { print(i) } Note that in Swift 2.0, (1...1_000_000_000_000).reverse(...
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Is inject the same thing as reduce in ruby?

... If you want to create your own aliases, you may be interested in alias_method. – Nick McCurdy Oct 25 '13 at 2:16 ...
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How to force an entire layout View refresh?

...es every View to draw itself. No call to invalidate() should be needed. To apply the theme, make sure you do it before any View is drawn, i.e., before setContentView(R.layout.mainscreen); public void setTheme (int resid) Since: API Level 1 Set the base theme for this context. Note that th...
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How Do I Use Factory Girl To Generate A Paperclip Attachment?

...nd end In the above example, spec/photos/test.png needs to exist in your application's root directory before running your tests. Note, that FactoryBot is a new name for FactoryGirl. share | impro...
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Declare and initialize a Dictionary in Typescript

... Edit: This has since been fixed in the latest TS versions. Quoting @Simon_Weaver's comment on the OP's post: Note: this has since been fixed (not sure which exact TS version). I get these errors in VS, as you would expect: Index signatures are incompatible. Type '{ firstName: string; }' is...
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How to implement a good __hash__ function in python [duplicate]

... __hash__ should return the same value for objects that are equal. It also shouldn't change over the lifetime of the object; generally you only implement it for immutable objects. A trivial implementation would be to just ret...
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How to match “any character” in regular expression?

...n{ public static void main(String[] args){ final String regex_1 = "[\\s\\S]*"; final String regex_2 = "[\\d\\D]*"; final String regex_3 = "[\\w\\W]*"; final String string = "AAA123\n\t" + "ABCDEFGH123\n\t" + "XXXX123\n\t"; fina...
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What is private bytes, virtual bytes, working set?

...w much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak. Private Bytes refer to the amount of memory that the process executable has asked for - not necessarily the amount it is actually using. They are "private" because they (usually) exc...
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How to assert output with nosetest/unittest in python?

... contextmanager from StringIO import StringIO @contextmanager def captured_output(): new_out, new_err = StringIO(), StringIO() old_out, old_err = sys.stdout, sys.stderr try: sys.stdout, sys.stderr = new_out, new_err yield sys.stdout, sys.stderr finally: sys.s...
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Cassandra port usage - how are the ports used?

...ending on version), to allow for remote JMX access. Something that doesn't appear to be particularly well documented, but has tripped me up in the past. share | improve this answer | ...