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Using port number in Windows host file

...an be used. Note: I am assuming 127.65.43.21:80 is not occupied by another service. You can check with netstat -a -n -p TCP | grep "LISTENING" added the following network configuration with netsh command utility netsh interface portproxy add v4tov4 listenport=80 listenaddress=127.65.43.21 connec...
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How to convert an array into an object using stdClass() [duplicate]

..., 'varsta' => 25) ); If you want to see is this stdClass object just call this print_r($clasa); If you want to convert an array to object code will be $arr = array('a'=>'apple','b'=>'ball'); $arr = (object) $arr; You don't need to use stdClass. It will automatically converted to st...
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MySQL, update multiple tables with one query

...ookID is very important, without it The Books table update would happen to all rows and not only for the row with the specified id. Some lessons are learned the hard way, this one was learned in the terrifing way. – nheimann1 Mar 24 '15 at 15:06 ...
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How does BLAS get such extreme performance?

...e optimization. This boost significantly exceeds the second boost from parallelism and other hardware optimizations. By the way, most (or even all) of the high performance BLAS implementations are NOT implemented in Fortran. ATLAS is implemented in C. GotoBLAS/OpenBLAS is implemented in C and i...
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How to allocate aligned memory only using the standard library?

... Original answer { void *mem = malloc(1024+16); void *ptr = ((char *)mem+16) & ~ 0x0F; memset_16aligned(ptr, 0, 1024); free(mem); } Fixed answer { void *mem = malloc(1024+15); void *ptr = ((uintptr_t)mem+15) & ~ (uintptr_t)0x0...
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Generate a heatmap in MatPlotLib using a scatter data set

...50 heatmap. If you want, say, 512x384, you can put bins=(512, 384) in the call to histogram2d. Example: share | improve this answer | follow | ...
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How to print a stack trace in Node.js?

...l which stack does not. The info is in the error object if you want to manually create that line I guess. – studgeek Aug 30 '12 at 16:54 132 ...
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Navigation bar appear over the views with new iOS7 SDK

...o! The space your navigation bar takes up should be accounted for automatically if ([self respondsToSelector:@selector(edgesForExtendedLayout)]) self.edgesForExtendedLayout = UIRectEdgeNone; You need add the above in your -(void)viewDidLoad method. Note: You should be using the latest GM...
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Case objects vs Enumerations in Scala

... deal with an Option[Currency] type that would clearly indicate there is really a matching problem and "encourage" the user of the API to sort it out him/herself. To follow up on the other answers here, the main drawbacks of case objects over Enumerations are: Can't iterate over all instances of t...
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In Python, when should I use a function instead of a method?

...sulation which is so dear to OO design. The encapsulation principal is really what this comes down to: as a designer you should hide everything about the implementation and class internals which it is not absolutely necessarily for any user or other developer to access. Because we deal with instan...