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How to check if variable is string with python 2 and 3 compatibility
... str) work as expected in python-2.x? Or will I need to check the version and use isinstance(x, basestr) ?
10 Answers
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What is the iBeacon Bluetooth Profile
...elopers have reverse Engineered the iBeacon from the AirLocate Sample code and started selling iBeacon dev kits.
6 Answers
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ValueError: invalid literal for int() with base 10: ''
I am creating a program that reads a file and if the first line of the file is not blank, it reads the next four lines. Calculations are performed on those lines and then the next line is read. If that line is not empty it continues. However, I am getting this error:
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How are parameters sent in an HTTP POST request?
...or a post looks like one for a get, but with the verb POST instead of GET, and a content type value (and an optional content length value) as the request has content (body). Every type of request has a header, some types also have a body.
– Guffa
Jun 28 '16 at ...
jQuery: Get height of hidden element in jQuery
... is within a div that is hidden. Right now I show the div, get the height, and hide the parent div. This seems a bit silly. Is there a better way?
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Difference between DirectCast() and CType() in VB.NET
.../C++/C# programmer who has just gotten into VB.NET. I generally use CType (and CInt, CBool, CStr) for casts because it is fewer characters and was the first way of casting which I was exposed to, but I am aware of DirectCast and TryCast as well.
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How can I convert a dictionary into a list of tuples?
...ew" into the dictionary items. See the What's New document for Python 3.0, and the new documentation on views.
1: Insertion-order preservation for dicts was added in Python 3.7
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Number.sign() in javascript
...its absolute value also gives its sign. Using the short-circuiting logical AND operator allows us to special-case 0 so we don't end up dividing by it:
var sign = number && number / Math.abs(number);
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Node.js: how to consume SOAP XML web service
... @RobertBroden, thanks for the update. Please next time go ahead and edit the answer (or suggest an edit)!
– Juicy Scripter
Nov 2 '16 at 13:05
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...rong. I was under the impression that Linux thread creation was very cheap and after testing I determined that the overhead of function call in a new thread vs. a normal one is enormous. The overhead for creating a thread to handle a function call is something like 10000 or more times slower than a ...