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Decreasing for loops in Python impossible?
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for n in range(6,0,-1):
print n
# prints [6, 5, 4, 3, 2, 1]
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How does PHP 'foreach' actually work?
Let me prefix this by saying that I know what foreach is, does and how to use it. This question concerns how it works under the bonnet, and I don't want any answers along the lines of "this is how you loop an array with foreach ".
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Can we call the function written in one JavaScript in another JS file?
...g as the file containing the definition of the function has been loaded before the first use of the function.
I.e.
File1.js
function alertNumber(number) {
alert(number);
}
File2.js
function alertOne() {
alertNumber("one");
}
HTML
<head>
....
<script src="File1.js" type...
How do I force git to use LF instead of CR+LF under windows?
I want to force git to checkout files under Windows using just LF not CR+LF . I checked the two configuration options but I was not able to find the right combination of settings.
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How to pass command line argument to gnuplot?
...variable
$ cat foo.plg
plot filename
pause -1
To make "foo.plg" a bit more generic, use a conditional:
if (!exists("filename")) filename='default.dat'
plot filename
pause -1
Note that -e has to precede the filename otherwise the file runs before the -e statements. In particular, running a she...
How can I parse a string with a comma thousand separator to a number?
... Yeah, but now the decimal places are lost. 2300.00 results in 2300 for example.
– user1540714
Jul 26 '12 at 9:18
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Find out which remote branch a local branch is tracking
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Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade through the SHA and any long-wrapping commit messages, but it's ...
How to convert R Markdown to PDF?
I've previously asked about the commands for converting R Markdown to HTML .
8 Answers
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Difference between virtual and abstract methods [duplicate]
...n of overriding it. Abstract methods do not provide an implementation and force the derived classes to override the method.
So, abstract methods have no actual code in them, and subclasses HAVE TO override the method. Virtual methods can have code, which is usually a default implementation of some...
Ubuntu says “bash: ./program Permission denied” [closed]
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chmod u+x program_name. Then execute it.
If that does not work, copy the program from the USB device to a native volume on the system. Then chmod u+x program_name on the local copy and execute that.
Unix and Unix-like systems generally will not execute a program unless it is marked ...