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Chrome extension: accessing localStorage in content script
...xtension context, so you don't need content scripts or messaging. You can call localStorage directly from the options page or use chrome.extension.getBackgroundPage from the options page.
– Mohamed Mansour
Jul 23 '11 at 12:43
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What's the difference between Invoke() and BeginInvoke()
...y, on a threadpool thread.
Control.Invoke: Executes on the UI thread, but calling thread waits for completion before continuing.
Control.BeginInvoke: Executes on the UI thread, and calling thread doesn't wait for completion.
Tim's answer mentions when you might want to use BeginInvoke - although i...
Pointers vs. values in parameters and return values
... function values, and interface values are implemented with pointers internally, and a pointer to them is often redundant.
Elsewhere, use pointers for big structs or structs you'll have to change, and otherwise pass values, because getting things changed by surprise via a pointer is confusing.
O...
How to redirect stderr to null in cmd.exe
...However following will do almost the opposite of what some may expect copy foo.txt con >> bar 2>nul. bar will contain the text one file(s) copied and the console will containt the content of foo.txt.
– Patrick Fromberg
Jul 2 '14 at 8:31
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How do I make a list of data frames?
...to your question, but you want to use = and not <- within the function call. If you use <-, you'll end up creating variables y1 and y2 in whatever environment you're working in:
d1 <- data.frame(y1 <- c(1, 2, 3), y2 <- c(4, 5, 6))
y1
# [1] 1 2 3
y2
# [1] 4 5 6
This won't have the s...
Emulating a do-while loop in Bash
...ing different, only that true is not a built-in in Bash. It's a program usually found in /bin.
– Fleshgrinder
Feb 12 at 22:07
1
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How do you pass a function as a parameter in C?
...function returning type’’, as in 6.3.2.1. ". For example, this:
void foo(int bar(int, int));
is equivalent to this:
void foo(int (*bar)(int, int));
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How to download a single commit-diff from GitHub?
...h (or .diff) to the commit-URL will give a nice patch:
https://github.com/foo/bar/commit/${SHA}.patch
Thanks to Ten Things You Didn't Know Git And GitHub Could Do...
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How to define custom configuration variables in rails
... target a specific environment) :
YourApp::Application.config.yourKey = 'foo'
This will be accessible in controller or views like this:
YourApp::Application.config.yourKey
(YourApp should be replaced by your application name.)
Note: It's Ruby code, so if you have a lot of config keys, you ca...
Redirecting passed arguments to a windows batch file [duplicate]
I would like to call a jar file from a windows batch file. One requirement is to be able to pass all the batch file arguments as-is to the jar file invocation. For example,
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