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Force R not to use exponential notation (e.g. e+10)?
...hout having to muck about in R settings.
Note that it returns a character string rather than a number object
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Is there any way to put malicious code into a regular expression?
...t code callouts, some mechanism for allowing or disallowing these from the string you’re going to compile should be provided. Even if code callouts are only to code in the language you are using, you should restrict them; they don’t have to be able to call external code, although if they can, y...
Best way to give a variable a default value (simulate Perl ||, ||= )
...specific to a null value. For example, if $_GET['name'] is set to an empty string, the first line would return an empty string, but we could return "john doe" by using $_GET['name'] ? $_GET['name'] : 'john doe'.
– VPhantom
May 20 at 18:33
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Exec : display stdout “live”
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ls.stdout.on('data', function (data) {
console.log('stdout: ' + data.toString());
});
ls.stderr.on('data', function (data) {
console.log('stderr: ' + data.toString());
});
ls.on('exit', function (code) {
console.log('child process exited with code ' + code.toString());
});
exec buffers t...
Paste text on Android Emulator
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In a terminal, type adb shell input text 'my string here. With some characters escaped like \$ that'
Note that an alternative method for including spaces in the text is to substitute %s for each space character.
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Find the version of an installed npm package
...d systems, on Windows you can use PowerShell for similar results: | select-string module_name to filter the module. Or, if you're using Git Bash (or just Bash, for that matter), you can use grep.
– Noel
Feb 12 '16 at 20:33
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How do I grep recursively?
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also good to know, if you are just looking for a fixed string and not a regex, use -F option. it will save you scads of time by not invoking the regex parser. very handy if you are searching lots of files.
– Jeff
May 6 '15 at 17:20
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Overload with different return type in Java?
... also different.
Check out the sample code.
public class B {
public String greet() {
return "Hello";
}
//This will work
public StringBuilder greet(String name) {
return new StringBuilder("Hello " + name);
}
//This will not work
//Error: Duplicate meth...
How should I handle “No internet connection” with Retrofit on Android
...ss NoConnectivityException extends IOException {
@Override
public String getMessage() {
return "No network available, please check your WiFi or Data connection";
}
}
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How to change Status Bar text color in iOS
...like me, copy and past away: <key>UIStatusBarStyle</key> <string>UIStatusBarStyleLightContent</string> <key>UIViewControllerBasedStatusBarAppearance</key> <false/>
– Adam Waite
Jun 28 '14 at 23:23
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