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In Vim/Vi, how do you move the cursor to the end of the previous word?
...you'll go to the end of the previous, while be you need to be on the first char of the initial word.
– TankorSmash
Dec 4 '13 at 4:06
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Why is an array not assignable to Iterable?
...able forces adding an iterator method, and arrays don't implement methods. char[] doesn't even override toString. Anyway, arrays of references should be considered less than ideal - use Lists. As dfa comments, Arrays.asList will do the conversion for you, explicitly.
(Having said that, you can call...
How to create a GUID/UUID in Python
...UUID with the dashes included, while uuid4().hex returns "The UUID as a 32-character hexadecimal string"
– stuartd
Jan 30 '18 at 10:08
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MongoDB relationships: embed or reference?
...ill tied to text messages and Ruby 1.4 strings; in other words still ASCII chars only.
– John F. Miller
Sep 8 '17 at 18:52
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Post data to JsonP
...be able to Post with JsonP.
(You'll be able to Post Form, bigger than 2000 char than you can use by GET)
Client application Javascript
$.ajax({
type: "POST", // you request will be a post request
data: postData, // javascript object with all my params
url: COMAPIURL, // my backoffice comunic...
Set custom HTML5 required field validation message
...he HTML5 "required" functionality to also validate against only whitespace chars being submitted (whereas by default it only validates against an empty string being submitted). So I changed the two lines with if (input.value == "") {, to instead read if (input.value.trim() == "") { - does the trick ...
Difference between \n and \r?
...-line instead
in Windows (and many old OSs), the code for end of line is 2 characters, \r\n, in this order
as a (surprising;-) consequence (harking back to OSs much older than Windows), \r\n is the standard line-termination for text formats on the Internet
for electromechanical teletype-like "termin...
Why is this F# code so slow?
...C# and F#. The C# version is 10 times faster for two strings of about 1500 chars. C#: 69 ms, F# 867 ms. Why? As far as I can tell, they do the exact same thing? Doesn't matter if it is a Release or a Debug build.
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Why does Java's hashCode() in String use 31 as a multiplier?
...he problem is worse if you use non-english languages with common non-ascii chars. And 31 served 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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Declaration suffix for decimal type
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Whilst not a suffix, we can also declare a character with char c = 'a' using apostrophes around the character.
– Kevin Hogg
Aug 26 '15 at 8:05
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