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Environment variables in Mac OS X

...redefined in subshells, not for environment variables that are inherited. /etc/profile: this is loaded before ~/.profile, but is otherwise equivalent. Use it when you want the variable to apply to terminal programs launched by all users on the machine (assuming they use bash). ~/.MacOSX/environment....
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Tools to make CSS sprites? [closed]

... It's a nice tool, but, it requires a ZIP file of your images and the order it puts your sprites in is the ZIP order. Brian's tool below allows you to upload files and drag&drop to change order. – Ed Bayiates Aug 8 '12 at 22:11 ...
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How to get an array of unique values from an array containing duplicates in JavaScript? [duplicate]

... If you want to maintain order: arr = arr.reverse().filter(function (e, i, arr) { return arr.indexOf(e, i+1) === -1; }).reverse(); Since there's no built-in reverse indexof, I reverse the array, filter out duplicates, then re-reverse it. The ...
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SQL query return data from multiple tables

...te, it might be worth noting some additional notes here. If we wanted to order the results, we can use an order by but you can't use the alias anymore. In the query above, appending an order by a.ID would result in an error - as far as the results are concerned, the column is called ID rather than...
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Read an Excel file directly from a R script

...at a time, although you can obviously loop over them all], included plots, etc.). But for a well-formed, rectangular spreadsheet with plain numbers and character data (i.e., not comma-formatted numbers, dates, formulas with divide-by-zero errors, missing values, etc. etc. ..) I generally have no pr...
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Why Large Object Heap and why do we care?

...nt. The cache is a really big deal on modern processors, they are an easy order of magnitude faster than the memory bus. Compacting is done simply by copying bytes. That however takes time. The larger the object, the more likely that the cost of copying it outweighs the possible CPU cache usage ...
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Why is processing a sorted array slower than an unsorted array?

... When you are using the unsorted list all tuples are accessed in memory-order. They have been allocated consecutively in RAM. CPUs love accessing memory sequentially because they can speculatively request the next cache line so it will always be present when needed. When you are sorting the list...
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How do I view cookies in Internet Explorer 11 using Developer Tools

... It lacks all the details like cookie path, cookie domain, etc. – Franklin Yu Jul 18 '18 at 13:36 ...
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Looking for a good world map generation algorithm [closed]

..., and should be capable of determining earthquake zones vs volcanic zones, etc. Each point of land would then end up with an individual vector based off its location in relation to the plate boundaries, and should end up with a fairly realistic simulation to work from. – Steve...
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Finding local IP addresses using Python's stdlib

...s won't work always (returns 127.0.0.1 on machines having the hostname in /etc/hosts as 127.0.0.1), a paliative would be what gimel shows, use socket.getfqdn() instead. Of course your machine needs a resolvable hostname. sha...