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How can I check for “undefined” in JavaScript? [duplicate]
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I personally use
myVar === undefined
Warning: Please note that === is used over == and that myVar has been previously declared (not defined).
I do not like typeof myVar === "undefined". I think it is long winded and unnecessar...
Scala actors: receive vs react
...ead until it receives something. Once it receives something, a thread gets allocated to it, and it is initialized in it.
Now, the initialization part is important. A receiving thread is expected to return something, a reacting thread is not. So the previous stack state at the end of the last react ...
Combating AngularJS executing controller twice
... This solved my problem of the controller being executed twice. All I did was remove the ng-controller in the template and now its only executing once.
– torbenrudgaard
May 20 '17 at 7:35
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CSS text-overflow: ellipsis; not working?
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Note: white-space: nowrap is actually not necessary. We can still see the ellipses even without it. For multiple lines text-overflow, see this SO
– gfaceless
Jul 9 '15 at 10:38
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How can I set the aspect ratio in matplotlib?
...tly controlled aspect ratio, but it seems to be ignored once an imshow is called.
Original Answer:
Here's an example of a routine that will adjust the subplot parameters so that you get the desired aspect ratio:
import matplotlib.pyplot as plt
def adjustFigAspect(fig,aspect=1):
'''
Adju...
How to render a PDF file in Android
...er = new PdfRenderer(getSeekableFileDescriptor());
// let us just render all pages
final int pageCount = renderer.getPageCount();
for (int i = 0; i < pageCount; i++) {
Page page = renderer.openPage(i);
// say we render for showing on the screen
page.render(mBitmap, null, null,...
How can I access Google Sheet spreadsheets only with Javascript?
...e was no easy way to organize the data). The update was just to your 'callbackCells()' method. Check it out: github.com/rw3iss/google-spreadsheet-javascript.git Thanks again man!
– Ryan Weiss
Oct 11 '12 at 6:38
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What is the concept of erasure in generics in Java?
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It's basically the way that generics are implemented in Java via compiler trickery. The compiled generic code actually just uses java.lang.Object wherever you talk about T (or some other type parameter) - and there's some metadata to t...
Java Constructor Inheritance
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Suppose constructors were inherited... then because every class eventually derives from Object, every class would end up with a parameterless constructor. That's a bad idea. What exactly would you expect:
FileInputStream stream = new FileInputStream();
to do?
Now potentially there should be...
Difference between CC, gcc and g++?
...tform-specific, is the meaning of 'CC' (and 'cc').
On Solaris, CC is normally the name of the Sun C++ compiler.
On Solaris, cc is normally the name of the Sun C compiler.
On Linux, if it exists, CC is probably a link to g++.
On Linux, cc is a link to gcc.
However, even on Solaris, it could be th...