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What exactly are “spin-locks”?
...e not using a resource found in an inconsistent state, and this is why you test its lock. disabling interrupts (also preemption) ensures that yes, nobody will mess with your resurce while you are dealing with it. but, for that, you have to be sure that the resource is free when you are acquiring it....
How to remove CocoaPods from a project?
...odifle
Podfile.lock
Then you can use your project again.
Have fun!
Test CocoaPod version = 1.2.0
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Connection to SQL Server Works Sometimes
...
Ive had the same error just come up which aligned suspiciously with the latest round of Microsoft updates (09/02/2016). I found that SSMS connected without issue while my ASP.NET application returned the "timeout period elapsed while attempting to consume the pre-login handshake acknowledgement" er...
CSS content generation before or after 'input' elements [duplicate]
...nput elements have no content.
E.g. if you write <input type="text">Test</input> (which is wrong) the browser will correct this and put the text after the input element.
The only thing you could do is to wrap every input element in a span or div and apply the CSS on these.
See the exa...
Variable length (Dynamic) Arrays in Java
...u cannot do the following:
ArrayList list = new ArrayList(4);
list.put(3,"Test");
It will give you an IndexOutOfBoundsException because there is no element at this position yet even though the backing array would permit such an addition. So you need to use a custom extendable Array implementation...
Detect 7 inch and 10 inch tablet programmatically
...s easy as described above -- use Configuration.smallestScreenWidthDp, then test accordingly:
resources.getConfiguration().smallestScreenWidthDp
Otherwise, if you can afford this, use the following method which is a very accurate approach to detect 600dp (like 6") vs. 720dp (like 10") by letting t...
Getting the class name of an instance?
...same name defined in separate modules.
The sample code provided above was tested in Python 2.7.5.
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Calc of max, or max of calc in CSS
...depen (easier to see the demo on CodePen, and you can edit it for your own testing).
.parent600, .parent500, .parent400 {
height: 80px;
border: 1px solid lightgrey;
}
.parent600 {
width: 600px;
}
.parent500 {
width: 500px;
}
.parent400 {
width: 400px;
}
.paren...
Detect if a NumPy array contains at least one non-numeric value?
...
Out of interest -- it this really the fastest way to do this? i) Doesn't numpy.isnan(a).any() involve allocating a large temporary array (it is it a view). ii) If the first element is NAN, does this solution involve iterating over the full array? If I set the first ...
Random Number Between 2 Double Numbers
...minValue ? minValue : (result > maxValue ? maxValue : result);
}
Some tests:
Here are the sorted results of generating 10,000 random double numbers between 0 and Double.MaxValue with both strategies. The results are displayed with using logarithmic scale:
Though the linear random values see...