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Difference between java.lang.RuntimeException and java.lang.Exception
...nd java.lang.Exception ? How do I decide which one to extend if I create my own exception?
12 Answers
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Using reCAPTCHA on localhost
...a:SiteKey"] in it then I help you with this extra description and codes in my answer.
Do you like the following GET and POST actions?
It ???? support reCaptcha and doesn't need any other codes for handling
reCaptcha.
[HttpGet]
[Recaptcha]
public ActionResult Register()
{
// Your codes i...
Use of undeclared identifier 'kUTTypeMovie'
... working. After figuring out the problem with a more experienced member of my team I found out that not only must you include
#import <MobileCoreServices/MobileCoreServices.h>
but you must also link binaries to the library of the MobileCoreServices framework to the build phases of your proj...
Call apply-like function on each row of dataframe with multiple arguments from each row
... use the mutate function from the dplyr package:
> library(dplyr)
> myf <- function(tens, ones) { 10 * tens + ones }
> x <- data.frame(hundreds = 7:9, tens = 1:3, ones = 4:6)
> mutate(x, value = myf(tens, ones))
hundreds tens ones value
1 7 1 4 14
2 8 2...
Block commenting in Ruby
...past during an overzealous bundle purging rage and couldn't figure out why my Mac kept beeping at me whenever I tried using the comment shortcut.
– Chris Bloom
Jun 11 '12 at 15:09
...
Importing modules from parent folder
...
Relative imports (as in from .. import mymodule) only work in a package.
To import 'mymodule' that is in the parent directory of your current module:
import os,sys,inspect
currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
pare...
How to deal with floating point number precision in JavaScript?
I have the following dummy test script:
42 Answers
42
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Emacs: print key binding for a command or list all key bindings
...M-x describe-key) to show what command is bound to a key. For instance, on my machine save-buffers-kill-emacs isn't bound to anything, but C-h k C-x C-c tells me that C-x C-c is bound to save-buffers-kill-terminal. It will list all bindings for the command at the same time.
...
How do I ignore all files in a folder with a Git repository in Sourcetree?
... You mean that if I want to track the folder I have to add a "dummy" file and ignore the rest? :-/
– rubdottocom
Mar 12 '12 at 10:36
2
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How do I create and read a value from cookie?
...ie:
docCookies.removeItem(name);
For example:
// sets a cookie called 'myCookie' with value 'Chocolate Chip'
docCookies.setItem('myCookie', 'Chocolate Chip');
// reads the value of a cookie called 'myCookie' and assigns to variable
var myCookie = docCookies.getItem('myCookie');
// removes the ...