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What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
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Undo changes in entity framework entities
...ys the same time 50ms+0*n= 50ms. O(n) means the performance is influenced by the number of objects... performance is maybe 2ms+0.5ms*n... so bellow 96 objects it would be faster but time would increase linearly with the amount of data.
– Guish
Jul 3 '14 at 14:...
How to replace a hash key with another key
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I often don't like "smart" ruby code because it takes some time to tell what it is really doing. Your solution is in other hand simple and descriptive.
– Lucas
Nov 13 '14 at 18:55
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Find and replace strings in vim on multiple lines
... and replace with “bar”.
First hit [Esc] key
Type : (colon) followed by %s/foo/bar/ and hit [Enter] key
:%s/foo/bar/
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How to restore the permissions of files and directories within git if they have been modified?
...ith the last git command you ran.
Thx to @Mixologic for pointing out that by simply using -R on git diff, the cumbersome sed command is no longer required.
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Moq: How to get to a parameter passed to a method of a mocked service
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You can also achieve the same by just declaring the types of the arguments in the lambda expression, like so: .Callback((string s1, SomeResponse s2) => /* stuff */ )
– jb637
May 3 '19 at 12:39
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Sublime Text from Command Line
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Btw, you elevate your Windows (7) privs by pressing Ctrl-Shift-enter after typing cmd into the Start|Run text box...
– likethesky
Aug 30 '14 at 0:41
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How to do scanf for single char in C [duplicate]
...0;
}
The call to fgets() doesn't wait for input because the newline left by the previous scanf() call is read and fgets() terminates input reading when it encounters a newline.
There are many other similar problems associated with scanf(). That's why it's generally recommended to avoid it.
So, w...
Display Animated GIF
...our Activity put the next code inside of onCreate
web = (WebView) findViewById(R.id.webView);
web.setBackgroundColor(Color.TRANSPARENT); //for gif without background
web.loadUrl("file:///android_asset/htmls/name.html");
if you want load dynamically you have to load the webview with data:
// or ...
RegEx: Grabbing values between quotation marks
...ngs with escaped quotes. e.g., "hello \" world"
– robbyt
Feb 5 '15 at 20:01
Using JavaScript's match, this will match ...