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Correct approach to global logging in Golang
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Create a single log.Logger and pass it around?
That is possible. A log.Logger can be used concurrently from multiple goroutines.
Pass around a pointer to that log.Logger?
log.New returns a *Logger which is usually an indication that you should pass the object around as...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
Amazon's EC2 service offers a variety of Linux and Windows OS choices, but I haven't found a service offering a similar "rent by the hour" service for a remote Mac OS X virtual machine. Does such a service exist? (iCloud looks to be just a data storage service, rather than a service allowing remot...
Access-Control-Allow-Origin error sending a jQuery Post to Google API's
...',
crossDomain: true,
dataType: 'jsonp',
success: function() { alert("Success"); },
error: function() { alert('Failed!'); },
beforeSend: setHeader
});
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How do I copy a file in Python?
...on.
With copy, src and dst are path names given as strings.
If you use os.path operations, use copy rather than copyfile. copyfile will only accept strings.
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How do I get the width and height of a HTML5 canvas?
...nt.getElementById( 'yourCanvasID' );
var ctx = canvas.getContext( '2d' );
alert( canvas.width );
alert( canvas.height );
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Node.js on multi-core machines
...'t really need "cluster", you'd just run two different node services. Two scripts, two processes, two ports. Eg, you could have serviceA listen on 3000 and serviceB listen on 3001. Each of those services might use "cluster" to have 1+ workers and recycle them periodically, etc. Then you could co...
Cannot find module cv2 when using OpenCV
...ating system (a variant of Raspbian) on a Raspberry Pi, using jayrambhia's script found here . It installed version 2.4.5.
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How is Node.js inherently faster when it still relies on Threads internally?
...text switch model, layered on top of the more appropriate (value judgement alert :) and more efficient (not a value judgement) preemptive model. This happens for two reasons, first, most programmers don't seem to understand priority preemption, and second, if you learn threading in a windows environ...
Echo newline in Bash prints literal \n
... beating their head against the wall trying to figure out why a coworker's script won't print newlines, look out for this ->
#!/bin/bash
function GET_RECORDS()
{
echo -e "starting\n the process";
}
echo $(GET_RECORDS);
As in the above, the actual running of the method may itself be wrapped...
Run JavaScript when an element loses focus
...ut onblur event :
<input type="text" name="name" value="value" onblur="alert(1);"/>
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