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Can I see changes before I save my file in Vim?

... A more sane approach to use vimdiff would be creating a shell script containing the following vim - -c ":vnew $1 |windo diffthis", making it executable, saving it in the PATH as for example vimdiffWithStdin and then comparing with the following command in vim: :w !vimdiffWithStdin % ...
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What does $.when.apply($, someArray) do?

...ected, even if there are other deferreds that are pending. Heres the full script (I recommend http://jsfiddle.net/): var data = [1,2,3,4]; // the ids coming back from serviceA var processItemsDeferred = []; for(var i = 0; i < data.length; i++){ processItemsDeferred.push(processItem(data[i]))...
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CURL alternative in Python

... urllib2.urlopen(req) print res.read() Furthermore if you wrap this in a script and run it from a terminal you can pipe the response string to 'mjson.tool' to enable pretty printing. >> basicAuth.py | python -mjson.tool One last thing to note, urllib2 only supports GET & POST requests...
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Direct vs. Delegated - jQuery .on()

... jquery advises against using body, as it is slower, because the script would have to search for all childs inside body, which should be a lot in most cases. It's better (faster) to use the inmediate parent container of the element. – mikesoft Apr 28 ...
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Postgres: INSERT if does not exist already

...modifies the table such that more columns are unique. In that case all the scripts must be modified. It would be nice if there was a more generic way to do this... – Willem Van Onsem Aug 1 '14 at 13:17 ...
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How to know if two arrays have the same values

... Using typescript the Array.isArray() was causing errors, removing that it worked fine. – Ariel Frischer Jul 1 at 4:41 ...
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How to run Conda?

...n is to run Unix/Linux ./anaconda3/bin/conda init Windows ./anaconda3/Scripts/conda.exe init You must launch a new shell or source your init file (e.g., source .bashrc) for the changes to take effect. Word of Caution This feature remains experimentally supported. I'd recommend running the...
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How to determine whether a given Linux is 32 bit or 64 bit?

...so there is a packaging tool that outputs it for other packaging tools and scripts to use, called dpkg-architecture. It includes both what it's configured to build for, as well as the current host. (Normally these are the same though.) Example output on a 64-bit machine: DEB_BUILD_ARCH=amd64 DEB_B...
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Measuring elapsed time with the Time module

... that want better formatting, import time start_time = time.time() # your script elapsed_time = time.time() - start_time time.strftime("%H:%M:%S", time.gmtime(elapsed_time)) will print out, for 2 seconds: '00:00:02' and for 7 minutes one second: '00:07:01' note that the minimum time unit wi...
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Rank items in an array using Python/NumPy, without sorting array twice

... @naught101: There is a bug in your script. The line array = np.random.rand(10) should be array = np.random.rand(n). – Warren Weckesser Aug 18 '15 at 3:25 ...