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How can I get a precise time, for example in milliseconds in Objective-C?

... Actually this is precise enough for the general use case. – logancautrell Jul 2 '12 at 12:30 4 ...
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Behaviour for significant change location API when terminated/suspended?

...estion. That is, your suspended app is woken up, you don't receive any callbacks on your app delegate, instead you receive your location updates through your existing CLLocationManagerDelegate. You can detect that you are running in the background by checking the applicationState, and do limited...
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Removing pip's cache?

I need to install psycopg2 v2.4.1 specifically. I accidentally did: 17 Answers 17 ...
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How exactly does CMake work?

...g about what exactly what was going on behind the scenes when for such a small CMakeLists.txt file 3 Answers ...
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What's the difference between a catalog and a schema in a relational database?

...l point of view : The catalog is the place where--among other things--all of the various schemas (external, conceptual, internal) and all of the corresponding mappings (external/conceptual, conceptual/internal) are kept. In other words, the catalog contains detailed information (sometimes...
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Can someone explain __all__ in Python?

I have been using Python more and more, and I keep seeing the variable __all__ set in different __init__.py files. Can someone explain what this does? ...
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Convert SVG image to PNG with PHP

I'm working on a web project that involves a dynamically generated map of the US coloring different states based on a set of data. ...
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How in node to split string by newline ('\n')?

... can help you out: var os = require('os'); a.split(os.EOL); This is usually more useful for constructing output strings from Node though, for platform portability. share | improve this answer ...
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How Do You Clear The IRB Console?

... @fanaugen On MacOS, cmd+k will clear all within a terminal tap, if you use tmux to split area of the visual area, ctrl+L will do a better work. – Fan Yer May 19 '17 at 9:06 ...
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How to check which locks are held on a table

...other responses, sp_lock can also be used to dump full lock information on all running processes. The output can be overwhelming, but if you want to know exactly what is locked, it's a valuable one to run. I usually use it along with sp_who2 to quickly zero in on locking problems. There are multi...