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EC2 instance has no public DNS
A guy I work with gave me the EC2 credentials to log onto his EC2 console. I was not the one who set it up. Some of the instances show a public dns name and others have a blank public DNS. I want to be able to connect to the instances that have a blank public DNS. I have not been able to figure out ...
Add an element to an array in Swift
Suppose I have an array, for example:
13 Answers
13
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Is DateTime.Now the best way to measure a function's performance?
...topwatch (in System.Diagnostics)
Stopwatch sw = Stopwatch.StartNew();
PerformWork();
sw.Stop();
Console.WriteLine("Time taken: {0}ms", sw.Elapsed.TotalMilliseconds);
Stopwatch automatically checks for the existence of high-precision timers.
It is worth mentioning that DateTime.Now often is quit...
How to make the python interpreter correctly handle non-ASCII characters in string operations?
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Python 2 uses ascii as the default encoding for source files, which means you must specify another encoding at the top of the file to use non-ascii unicode characters in literals. Python 3 uses utf-8 as the default encoding for source files, so this is less of an issue....
How to reload/refresh an element(image) in jQuery
...aching the image (which I now notice you wrote in your question). You can force the browser to reload the image by passing an extra variable like so:
d = new Date();
$("#myimg").attr("src", "/myimg.jpg?"+d.getTime());
shar...
How do I determine file encoding in OS X?
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I was assuming that OSX stored the encoding as meta-data. I understood the file contents were just a cluster of bits and had no inherent encoding.
– James A. Rosen
Feb 12 '09 at 3:15
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Nested using statements in C#
I am working on a project. I have to compare the contents of two files and see if they match each other precisely.
17 Answe...
Sublime Text 2 - Show file navigation in sidebar
I just switched to Sublime Text as my new editor. If I open the sidebar it shows the opening file, but what I want is a file navigation sidebar, is it possible to change that without downloading plugins?
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How to get all Errors from ASP.Net MVC modelState?
I want to get all the error messages out of the modelState without knowing the key values. Looping through to grab all the error messages that the ModelState contains.
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List of lists into numpy array
...ing number of elements then the answer of Ignacio Vazquez-Abrams will not work. Instead there are at least 3 options:
1) Make an array of arrays:
x=[[1,2],[1,2,3],[1]]
y=numpy.array([numpy.array(xi) for xi in x])
type(y)
>>><type 'numpy.ndarray'>
type(y[0])
>>><type 'num...