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How do I negate a condition in PowerShell?

...n't exist!" } You can also use !: if (!(Test-Path C:\Code)){} Just for fun, you could also use bitwise exclusive or, though it's not the most readable/understandable method. if ((test-path C:\code) -bxor 1) {write "it doesn't exist!"} ...
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Why does Java's hashCode() in String use 31 as a multiplier?

...rved as a bad example for many programmers when writing their own hashCode functions. – Hans-Peter Störr May 12 '10 at 7:42 ...
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How do I pre-populate a jQuery Datepicker textbox with today's date?

...k and doesn't make jQuery search the DOM twice. – abc123 Aug 1 '13 at 20:36 1 Great, accepted ans...
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Installing multiple instances of the same windows service on a server

... application and everything is going great. The client has come up with a fun configuration request that requires two instances of this service running on the same server and configured to point at separate databases. ...
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How to increase space between dotted border dots

... Applied to small elements with big rounded corners may make for some fun effects. share | improve this answer | follow | ...
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NERDTree reload new files

... You can hit R button by using feedkeys function. Just like this: call feedkeys("R") I have defined a function in my .vimrc file: fun! ToggleNERDTreeWithRefresh() :NERDTreeToggle if(exists("b:NERDTreeType") == 1) call feedkeys("R") e...
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ImportError: No module named apiclient.discovery

... 123 apiclient was the original name of the library. At some point, it was switched over to be goog...
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How to format a java.sql Timestamp for displaying?

...ERMAN); Timestamp oldfashionedTimestamp = new Timestamp(1_567_890_123_456L); ZonedDateTime dateTime = oldfashionedTimestamp.toInstant() .atZone(ZoneId.systemDefault()); String desiredFormat = dateTime.format(formatter); System.out.println(desiredFormat); O...
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How do you check if a variable is an array in JavaScript? [duplicate]

... test: http://jsperf.com/instanceof-array-vs-array-isarray/35 So have some fun and check it out. Note: @EscapeNetscape has created another test as jsperf.com is down. http://jsben.ch/#/QgYAV I wanted to make sure the original link stay for whenever jsperf comes back online. ...
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Getting a map() to return a list in Python 3.x

...t for using 3.1's map would be lazy evaluation when iterating on a complex function, large data sets, or streams. – Andrew Keeton Aug 20 '09 at 0:45 19 ...