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Add days to JavaScript Date
... @bzlm: Yes, I believe the note should read "this approach fails if the 'from' date is not in the same year or month as the current date". I still worry that users will glance over the answer and not read the warning since it doesn't stand out. Thanks.
– sparebytes
...
how do I initialize a float to its max/min value?
...reach an extreme. To find the smallest non-zero value, we can subtract one from each for the comparison. Any zero values will "wrap around" to the largest possible value for the type, but the relationship between other values will be retained. After we're done, we obviously add one back to the value...
Get the name of the currently executing method
...
From http://snippets.dzone.com/posts/show/2785:
module Kernel
private
def this_method_name
caller[0] =~ /`([^']*)'/ and $1
end
end
class Foo
def test_method
this_method_name
end
end
puts Foo.new.test_...
How do I append text to a file?
...
cat >> filename
This is text, perhaps pasted in from some other source.
Or else entered at the keyboard, doesn't matter.
^D
Essentially, you can dump any text you want into the file. CTRL-D sends an end-of-file signal, which terminates input and returns you to the shell...
How do you determine which backend is being used by matplotlib?
Either interactively, such as from within an Ipython session, or from within a script, how can you determine which backend is being used by matplotlib?
...
Prompt for user input in PowerShell
...
Read-Host is a simple option for getting string input from a user.
$name = Read-Host 'What is your username?'
To hide passwords you can use:
$pass = Read-Host 'What is your password?' -AsSecureString
To convert the password to plain text:
[Runtime.InteropServices.Marshal]...
Javascript: Extend a Function
...answer. My problem with the second example is that I might need the result from the function that I am extending.
– Gerhard Davids
Nov 22 '13 at 10:31
add a comment
...
What is the type of lambda when deduced with “auto” in C++11?
...er. However typeid<> returns a non-trvial object which should differ from lambda to generic function pointer. So the test for typeid<> is not a valid assumption. In general C++11 do not want us to worry about type specification, all that matter if a given type is convertible to a target ...
Escape quotes in JavaScript
I'm outputting values from a database (it isn't really open to public entry, but it is open to entry by a user at the company -- meaning, I'm not worried about XSS ).
...
How to get svn remote repository URL?
...ome information about the current working copy, including the remote URL.
From the manual, an example output is:
$ svn info foo.c
Path: foo.c
Name: foo.c
URL: http://svn.red-bean.com/repos/test/foo.c
Repository Root: http://svn.red-bean.com/repos/test
Repository UUID: 5e7d134a-54fb-0310-...