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Check status of one port on remote host [closed]
...t) but much like nc, I can't | grep Empty for these output statements like one might expect (something about newlines or lack of immediate output?). I presume your line is a conditional based off of the exit code, right? I'm on El Cap; maybe in other versions or OSes the failure state exits -1 rathe...
Remove all spaces from a string in SQL Server
...hat if there are multiple white spaces between words? REPLACE only removes one at a time. A user defined function should be written which removes multiple spaces.
– Farhan
Jul 20 '12 at 15:20
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What's the fastest way to merge/join data.frames in R?
...ds d1 and d2 from the workspace into sqlite's main database clobbering the ones that were there with the indexes. As a result it does a join with no indexes. If you wanted to make use of the versions of d1 and d2 that were in sqlite's main database you would have to refer to them as main.d1 and ma...
Styling an input type=“file” button
...on and input box on top of the native file input. The article already mentioned by rm at www.quirksmode.org/dom/inputfile.html is the best one I've seen.
UPDATE
Although it's difficult to style an <input> tag directly, this is easily possible with the help of a <label> tag. See answer ...
What is the difference between range and xrange functions in Python 2.X?
... Python 3 replacing range with xrange is very useful. I actually told someone to use xrange instead or range and they said that it did not matter in python 3, so I google searched for more information and this answer came up :)
– Cervo
Apr 18 '12 at 14:42
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Difference between CouchDB and Couchbase
...dated this answer, to begin with a brief explanation of the most important ones.
Names and confusion
There is CouchDB, CouchIO, CouchOne, Couchbase, Couchbase Server, Couchbase Mobile, Couchbase Lite, CouchApps, BigCouch, Touchbase, Membase, Memcached, MemcacheDB... all different and yet related i...
Is there a CSS selector by class prefix?
I want to apply a CSS rule to any element whose one of the classes matches specified prefix.
4 Answers
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Java Logging vs Log4J [closed]
... a good decision tree, have a look at Log4j vs java.util.logging
Question One :
Do you anticipate a need for any of the clever handlers that Log4j has that JUL does not have, such as the SMTPHandler, NTEventLogHandler, or any of the very convenient FileHandlers?
Question Two :
Do you see yourself...
How to add calendar events in Android?
...'m just getting up to speed on Android, and today in a project meeting someone said that Android has no native calendar app so users just use whatever calendar app they like.
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Is 'float a = 3.0;' a correct statement?
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If one wishes to compute a value which is one tenth of someFloat, the expression someFloat * 0.1 will more accurate results than someFloat * 0.1f, while in many cases being cheaper than a floating-point division. For example, (...