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Format a datetime into a string with milliseconds

...(datetime.datetime.utcnow()) being called in each iteration of the test vs setting it once? – Austin Marshall Sep 28 '11 at 22:10 add a comment  |  ...
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How to check permissions of a specific directory?

I know that using ls -l "directory/directory/filename" tells me the permissions of a file. How do I do the same on a directory? ...
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How to create multidimensional array

... 64). Crockford extends the JavaScript array object with a function that sets the number of rows and columns and sets each value to a value passed to the function. Here is his definition: Array.matrix = function(numrows, numcols, initial) { var arr = []; for (var i = 0; i < numrow...
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Git - How to use .netrc file on Windows to save user and password

...c file in %HOME% If you are using Windows 7/10, in a CMD session, type: setx HOME %USERPROFILE% and the %HOME% will be set to 'C:\Users\"username"'. Go that that folder (cd %HOME%) and make a file called '_netrc' Note: Again, for Windows, you need a '_netrc' file, not a '.netrc' file. Its con...
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What's the fastest way to loop through an array in JavaScript?

I learned from books that you should write for loop like this: 22 Answers 22 ...
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Removing duplicates from a list of lists

...: import itertools k = [[1, 2], [4], [5, 6, 2], [1, 2], [3], [4]] def doset(k, map=map, list=list, set=set, tuple=tuple): return map(list, set(map(tuple, k))) def dosort(k, sorted=sorted, xrange=xrange, len=len): ks = sorted(k) return [ks[i] for i in xrange(len(ks)) if i == 0 or ks[i] != k...
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Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes

... HTTP request parameter based on component's own client ID and then either setting it as submitted value in case of EditableValueHolder components or queueing a new ActionEvent in case of ActionSource components), perform conversion, validation and updating the model values (EditableValueHolder comp...
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sed one-liner to convert all uppercase to lowercase?

I have a textfile in which some words are printed in ALL CAPS. I want to be able to just convert everything in the textfile to lowercase, using sed . That means that the first sentence would then read, 'i have a textfile in which some words are printed in all caps.' ...
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How do I grant myself admin access to a local SQL Server instance?

...d SSMS with "Run as Administrator", added my NT account as a SQL login and set the server role to sysadmin. No problem. share | improve this answer | follow |...
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How to round a number to n decimal places in Java

... Use setRoundingMode, set the RoundingMode explicitly to handle your issue with the half-even round, then use the format pattern for your required output. Example: DecimalFormat df = new DecimalFormat("#.####"); df.setRoundingMo...