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Changing the resolution of a VNC session in linux [closed]
...NC server 4.4 includes support for Xrandr, which allows resizing the VNC. Start the server with:
vncserver -geometry 1600x1200 -randr 1600x1200,1440x900,1024x768
Then resize with:
xrandr -s 1600x1200
xrandr -s 1440x900
xrandr -s 1024x768
...
Spring Boot: How can I set the logging level with application.properties?
...
Update: Starting with Spring Boot v1.2.0.RELEASE, the settings in application.properties or application.yml do apply. See the Log Levels section of the reference guide.
logging.level.org.springframework.web: DEBUG
logging.level.org.h...
How and when to use ‘async’ and ‘await’
...pens here:
Task<int> longRunningTask = LongRunningOperationAsync(); starts executing LongRunningOperation
Independent work is done on let's assume the Main Thread (Thread ID = 1) then await longRunningTask is reached.
Now, if the longRunningTask hasn't finished and it is still running, MyMet...
wildcard * in CSS for classes
...u can add any attribute of the specified element.
[class^="tocolor-"] — starts with "tocolor-".
[class*=" tocolor-"] — contains the substring "tocolor-" occurring directly after a space character.
Demo: http://jsfiddle.net/K3693/1/
More information on CSS attribute selectors, you can find her...
nginx - nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
... the ipv6 line, I still get the same error when I try sudo service nginx restart. When I do netstat -tulpn |grep 80, I get only once nginx process (0.0.0.0:80). Any ideas why it won't restart?
– Roman
Oct 6 '14 at 10:05
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Generate a random double in a range
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Use this:
double start = 400;
double end = 402;
double random = new Random().nextDouble();
double result = start + (random * (end - start));
System.out.println(result);
EDIT:
new Random().nextDouble(): randomly generates a number between...
How to Store Historical Data
...ample in this case called 'WIDGET_ID', this is the FK to the Master record
START_DATETIME - timestamp indicating the start of that database row
END_DATETIME - timestamp indicating the end of that database row
STATUS_CONTROL - single char column indicated status of the row. 'C' indicates current, NUL...
How to pass data from 2nd activity to 1st activity when pressed back? - android
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Start Activity2 with startActivityForResult and use setResult method for sending data back from Activity2 to Activity1. In Activity1 you will need to override onActivityResult for updating TextView with EditText data from Act...
How to insert text into the textarea at the current cursor position?
...xt = myValue;
}
//MOZILLA and others
else if (myField.selectionStart || myField.selectionStart == '0') {
var startPos = myField.selectionStart;
var endPos = myField.selectionEnd;
myField.value = myField.value.substring(0, startPos)
+ myValue
...
Step-by-step debugging with IPython
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You can also start the program with ipython --pdb file.py -- args and are dropped to ipdb upon an exception. Might be worth adding to the answer.
– sebastian
Mar 20 '19 at 15:07
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