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Boolean vs boolean in Java
... assume it has the size of a machine word fitting to the CPU. However: for arrays that is very different!.
– Angel O'Sphere
Apr 6 '17 at 22:08
...
How to update a plot in matplotlib?
...stead of generating and using contours on the fly.
Starting with a 3D array of images of shape (nBins, nBins, nBins), called frames.
def animate_frames(frames):
nBins = frames.shape[0]
frame = frames[0]
tempCS1 = plt.imshow(frame, cmap=plt.cm.gray)
for k in range(nBins):
...
What is the difference between compare() and compareTo()?
...le<T> in your class if you want to use it with Collections.sort() or Arrays.sort() methods.
Defining a Comparator object
You can create Comparators to sort any arbitrary way for any class.
For example, the String class defines the CASE_INSENSITIVE_ORDER comparator.
The difference between...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
...s x8 times more bytes. (And Base64 makes x1.3 more data than original byte array). So sometimes it is acceptable to encode binary stream as hex string, doubling byte amount - for example just to store password hash in database.
– Agnius Vasiliauskas
Oct 21 '11 ...
Get average color of image via Javascript
...eorg talking about a small code by the Opera dev :
// Get the CanvasPixelArray from the given coordinates and dimensions.
var imgd = context.getImageData(x, y, width, height);
var pix = imgd.data;
// Loop over each pixel and invert the color.
for (var i = 0, n = pix.length; i < n; i += 4) {
...
SublimeText encloses lines in white rectangles
...ste the following code to this newly created theme file, right before </array> tag:
<dict>
<key>name</key>
<string>anaconda Error Outline</string>
<key>scope</key>
<string>anaconda.outline.illegal</string>
<key>settings<...
Simplest way to check if key exists in object using CoffeeScript
...bj. (CoffeeScript uses of when referring to keys, and in when referring to array values: val in arr will test whether val is in arr.)
thejh's answer is correct if you want to ignore the object's prototype. Jimmy's answer is correct if you want to ignore keys with a null or undefined value.
...
Determine if an object property is ko.observable
...observable is computed? I can determine if an observable is an observable array via $.isArray(vm[key]()), but do you know how to differentiate observables from a ko.computed??
– Adam Rackis
Mar 8 '12 at 22:19
...
Unable to verify leaf signature
...undled in the binary and it overrides them whenever you supply your own ca array. I don't know if its http module will also look to the OS chain. However, curl on OS X seems to only use the OS chain and not allow manually specified certs.
– coolaj86
Jul 31 '1...
How do you assert that a certain exception is thrown in JUnit 4 tests?
...fBoundsException.class)
public void testIndexOutOfBoundsException() {
ArrayList emptyList = new ArrayList();
Object o = emptyList.get(0);
}
Though answer https://stackoverflow.com/a/31826781/2986984 has more options for JUnit <= 4.12.
Reference :
JUnit Test-FAQ
...