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What size should apple-touch-icon.png be for iPad and iPhone?

...pdates ... makes this answer super relevant! – Chris Allinson Jun 24 '15 at 20:30 1 It's worth no...
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rsync: difference between --size-only and --ignore-times

...cp's the file. However, what if the metadata do match but files aren't actually the same? Then rsync probably didn't do what you intended. Files that are the same size may still have changed. One simple example is a text file where you correct a typo -- like changing "teh" to "the". The file size i...
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How to check internet access on Android? InetAddress never times out

...h (IOException e) { return false; } } + very fast (either way), works on all devices, very reliable - can't run on the UI thread This works very reliably, on every device, and is very fast. It needs to run in a separate task though (e.g. ScheduledExecutorService or AsyncTask). Possible Question...
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Difference between “read commited” and “repeatable read”

...n level of the .Net System.Transactions scope is serializable, and this usually explains the abysmal performance that results. And finally, there is also the SNAPSHOT isolation level. SNAPSHOT isolation level makes the same guarantees as serializable, but not by requiring that no concurrent transac...
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How can I pass command-line arguments to a Perl program?

...rbose); # flag Alternatively, @ARGV is a special variable that contains all the command line arguments. $ARGV[0] is the first (ie. "string1" in your case) and $ARGV[1] is the second argument. You don't need a special module to access @ARGV. ...
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How to make IPython notebook matplotlib plot inline

...rt numpy as np import matplotlib.pyplot as plt You can also always start all your IPython kernels in inline mode by default by setting the following config options in your config files: c.IPKernelApp.matplotlib=<CaselessStrEnum> Default: None Choices: ['auto', 'gtk', 'gtk3', 'inline', '...
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What is Angular.noop used for?

...laceholder when you need to pass some function as a param. function foo (callback) { // Do a lot of complex things callback(); } // Those two have the same effect, but the later is more elegant foo(function() {}); foo(angular.noop); ...
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What does the “Just” syntax mean in Haskell?

... It's actually just a normal data constructor that happens to be defined in the Prelude, which is the standard library that is imported automatically into every module. What Maybe is, Structurally The definition looks something like ...
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What does “@private” mean in Objective-C?

... (id)init { if (self = [super init]) { other = [[MySecondClass alloc] init]; // Neither MyFirstClass nor MySecondClass provided any // accessor methods, so if we're going to access any ivars // we'll have to do it directly, like this: other->publicNum...
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JSON left out Infinity and NaN; JSON status in ECMAScript?

...maScript if you do eval(jsonString) or JSON.parse(jsonString). If it were allowed then someone could inject code akin to NaN={valueOf:function(){ do evil }}; Infinity={valueOf:function(){ do evil }}; into a forum (or whatever) and then any json usage on that site could be compromised. ...