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App Inventor 2 项目合并工具 AIMerge · App Inventor 2 中文网
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How do I discover memory usage of my application in Android?
... difference is between Pss, PrivateDirty, and SharedDirty... well now the fun begins.
A lot of memory in Android (and Linux systems in general) is actually shared across multiple processes. So how much memory a processes uses is really not clear. Add on top of that paging out to disk (let alone ...
What is the difference between LL and LR parsing?
...
Your lecture slides are phenomenal, easily the most fun explanation that I have seen :) This is the kind of thing that actually sparks interests.
– kizzx2
Aug 11 '11 at 14:57
...
How do I split a string on a delimiter in Bash?
...ring an array and implicitly "loop" over the delimited elements, calling a function on each:
myPubliMail() {
printf "Seq: %6d: Sending mail to '%s'..." $1 "$2"
# mail -s "This is not a spam..." "$2" </path/to/body
printf "\e[3D, done.\n"
}
mapfile < <(printf "%s\0" "$IN") -td \...
What's the difference between setWebViewClient vs. setWebChromeClient?
...ent mWebViewClient;
// Instance of WebChromeClient for handling all chrome functions.
private volatile WebChromeClient mWebChromeClient;
// SOME OTHER SUTFFF.......
/**
* Set the WebViewClient.
* @param client An implementation of WebViewClient.
*/
public void setWebViewClient(WebViewClient cli...
What is the function of the push / pop instructions used on registers in x86 assembly?
... @vavan just sent a request for it to be fixed
– jgh fun-run
Feb 2 at 20:52
1
@vavan: I made the ...
In Windows Azure: What are web role, worker role and VM role?
... set it up how you like.
Wearing the architect hat, this is where it gets fun and interesting. You can run web services in a Web Role or worker role (and be able to open ports in either); You can host Tomcat or other web servers in a Worker role. you can choose to combine a website plus services in...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
... var button: UIButton!
var buttonOriginalWidth: CGFloat!
override func awakeFromNib() {
self.buttonOriginalWidth = self.button.frame.size.width
}
}
Here, you cannot calculate the original width of the button until the view loads, but you know that awakeFromNib will be called b...
How do I replace NA values with zeros in an R dataframe?
...ce(., is.na(.), 0))
The Complete Analysis -
Updated for dplyr 0.8.0: functions use purrr format ~ symbols: replacing deprecated funs() arguments.
Approaches tested:
# Base R:
baseR.sbst.rssgn <- function(x) { x[is.na(x)] <- 0; x }
baseR.replace <- function(x) { replace(x, is...
How is Math.Pow() implemented in .NET Framework?
... things up, I decided to take a look at the implementation of Math.Pow() function. But in .NET Reflector , all I found was this:
...