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Why doesn't java.lang.Number implement Comparable? [duplicate]
...itive types (float, double), determining if two values are equal is tricky and has to be done within an acceptable margin of error. Try code like:
double d1 = 1.0d;
double d2 = 0.0d;
for (int i=0; i<10; i++) {
d2 += 0.1d;
}
System.out.println(d2 - d1);
and you'll be left with some small dif...
How do I show the value of a #define at compile-time?
...n in the gcc online documentation.
How it works:
The preprocessor understands quoted strings and handles them differently from normal text. String concatenation is an example of this special treatment. The message pragma requires an argument that is a quoted string. When there is more than one com...
How can I download HTML source in C#
...nkfully however, most StackOverflow respondents keep example code as clear and concise as possible. Making example code closer to "real life" would just add noise.
– Chris Rogers
Mar 4 '15 at 2:49
...
Can I get chrome-devtools to actually search all JS sources?
...want to search within content sources which are scripts used by extensions and the internal browser API, you enable it in the Settings of DevTools and then from any panel in DevTools you can type Ctrl + Shift + F or (on Mac) Options + Command + F (⌥⌘F) to search across all sources, snippets, and...
Rails: create on has_one association
...) would work. However there is a big difference between has_many relations and has_one relations:
With a has_many relation, shops returns an ActiveRecord collection object, which has methods that you can use to add and remove shops to/from a user. One of those methods is create, which creates a new...
How do you easily horizontally center a using CSS? [duplicate]
I'm trying to horizontally center a <div> block element on a page and have it set to a minimum width. What is the simplest way to do this? I want the <div> element to be inline with rest of my page. I'll try to draw an example:
...
Add single element to array in numpy
...
This command does not alter the a array. However, it returns a new modified array. So, if a modification is required then a = numpy.append(a,a[0]) must be used.
– Amjad
Oct 16 '17 at 15:24
...
How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
tag vs tag
... behaviour is not defined anywhere. While you can in theory leave it
out and assume it will be interpreted as JavaScript, it's invalid
HTML, so why not add it.
In HTML 5, the type attribute is optional and defaults to
text/javascript
Use <script type="text/javascript"> or simply &...
How can I change the thickness of my tag
...
For consistency remove any borders and use the height for the <hr> thickness. Adding a background color will style your <hr> with the height and color specified.
In your stylesheet:
hr {
border: none;
height: 1px;
/* Set the hr color ...