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How to send a simple string between two programs using pipes?
...ave program 1 write the string to stdout (as if you'd like it to appear in screen). Then the second program should read a string from stdin, as if a user was typing from a keyboard. then you run:
$ program_1 | program_2
sh...
Center a position:fixed element
I would like to make a position: fixed; popup box centered to the screen with a dynamic width and height. I used margin: 5% auto; for this. Without position: fixed; it centers fine horizontally, but not vertically. After adding position: fixed; , it's even not centering horizontally.
...
iPhone app in landscape mode, 2008 systems
...nterfaceOrientation properly everywhere" it means everywhere, all your fullscreen views.
Hope it helps in this nightmare!
An important reminder of the ADDITIONAL well-known problem at hand here: if you are trying to swap between MORE THAN ONE view (all landscape), IT SIMPLY DOES NOT WORK. It is ess...
How to read the Stock CPU Usage data
...in the Developer Options is "Show CPU Usage", which adds an overlay on the screen (see screenshot below).
5 Answers
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Internal Error 500 Apache, but nothing in the logs?
...as fast as physically possible and it's a security hazard to log errors to screen where attackers can observe them.
These instructions to enable Internal Server Error Logging are for Ubuntu 12.10 with PHP 5.3.10 and Apache/2.2.22.
Make sure PHP logging is turned on:
Locate your php.ini file:
el@apo...
Is there a portable way to print a message from the C preprocessor?
...ed before the C code. There are no preprocessor directives to print to the screen, because preprocessor code isn't executed, it is used to generate the C code which will be compiled into executable code.
Anything wrong with:
#ifdef ...
printf("Hello");
#endif
Because this is all you can do as fa...
How to change the Push and Pop animations in a navigation based app
... the one that you pop on top, do nothing. Easy.
So your class...
class SomeScreen: UIViewController {
}
becomes...
class FrontScreen: UIViewController,
UIViewControllerTransitioningDelegate, UINavigationControllerDelegate {
let simpleOver = SimpleOver()
override func view...
android get real path by Uri.getPath()
...at in Android 6.0(or above) when we start gallery image pick intent then a screen will open that shows recent images when user select image from this list we will get uri as
content://com.android.providers.media.documents/document/image%3A52530
while if user select gallery from sliding drawer in...
iPad Safari scrolling causes HTML elements to disappear and reappear with a delay
...g into a problem wherein large scroll areas cause the elements that are offscreen to appear after a delay when I scroll down to them.
...
Redirect Windows cmd stdout and stderr to a single file
... an application using the '>' symbol, error messages still print to the screen. This is because error messages are often sent to the Standard Error stream instead of the Standard Out stream.
Output from a console (Command Prompt) application or command is often sent to two separate streams. ...