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How to read from a file or STDIN in Bash?
...
Here is the simplest way:
#!/bin/sh
cat -
Usage:
$ echo test | sh my_script.sh
test
To assign stdin to the variable, you may use: STDIN=$(cat -) or just simply STDIN=$(cat) as operator is not necessary (as per @mklement0 comment).
To parse each line from the standard input, try the follo...
How to use a filter in a controller?
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@OZ_ what do you mean? It works minification or not. Minification has nothing to do here, see this plunk: plnkr.co/edit/1k6nJnHO8ukBWUfgAyQw?p=preview
– pkozlowski.opensource
Aug 14 '13 at ...
How do I get the currently displayed fragment?
...u should use a tag.
fragTrans.replace(android.R.id.content, myFragment, "MY_FRAGMENT");
...and later if you want to check if the fragment is visible:
MyFragment myFragment = (MyFragment)getSupportFragmentManager().findFragmentByTag("MY_FRAGMENT");
if (myFragment != null && myFragment.isVisi...
Why does i = i + i give me 0?
... For anyone who didn't get the symbolism: en.wikipedia.org/wiki/Kill_screen#Pac-Man
– wei2912
Jun 14 '14 at 13:19
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show 7 more comme...
Remove non-utf8 characters from string
... times
)
| . # anything else
/x
END;
preg_replace($regex, '$1', $text);
It searches for UTF-8 sequences, and captures those into group 1. It also matches single bytes that could not be identified as part of a UTF-8 sequence, but does not capture those. Replacement...
Why isn't the size of an array parameter the same as within main?
... pointer type when you pass it in to a function.
So,
void PrintSize(int p_someArray[10]) {
printf("%zu\n", sizeof(p_someArray));
}
and
void PrintSize(int *p_someArray) {
printf("%zu\n", sizeof(p_someArray));
}
are equivalent. So what you get is the value of sizeof(int*)
...
move_uploaded_file gives “failed to open stream: Permission denied” error
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This is because images and tmp_file_upload are only writable by root user. For upload to work we need to make the owner of those folders same as httpd process owner OR make them globally writable (bad practice).
Check apache process owner: $ps aux | gre...
Drop multiple tables in one shot in mysql
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SET foreign_key_checks = 0;
DROP TABLE IF EXISTS a,b,c;
SET foreign_key_checks = 1;
Then you do not have to worry about dropping them in the correct order, nor whether they actually exist.
N.B. this is for MySQL only (as in the quest...
How do I create a new Swift project without using Storyboards?
..., UIApplicationDelegate {
var window: UIWindow?
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey : Any]? = nil) -> Bool {
window = UIWindow(frame: UIScreen.main.bounds)
if let window = window {
...
android.widget.Switch - on/off event listener?
...o add a Switch to your layout via XML:
<Switch
android:id="@+id/on_off_switch"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textOff="OFF"
android:textOn="ON"/>
Then in your Activity's onCreate method, get a reference to your Switc...