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How to gracefully handle the SIGKILL signal in Java
How do you handle clean up when the program receives a kill signal?
5 Answers
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isset() and empty() - what to use
...er something is set or not use isset.
Empty checks if the variable is set and if it is it checks it for null, "", 0, etc
Isset just checks if is it set, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a floa...
How do I grep recursively?
How do I recursively grep all directories and subdirectories?
25 Answers
25
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Extract digits from a string in Java
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You can use regex and delete non-digits.
str = str.replaceAll("\\D+","");
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What is the exact difference between currentTarget property and target property in javascript
Can anyone please tell me the exact difference between currentTarget and target property in Javascript events with example and which property is used in which scenario?
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WWW or not WWW, what to choose as primary site name? [closed]
From technical perspective the only issue is traffic and incoming links (one of them should redirect to another).
14 Answe...
S3 - Access-Control-Allow-Origin Header
...fault values. That's all I needed to solve your problem. Just click "Save" and try again to see if it worked. If it doesn't, you could also try the code below (from alxrb answer) which seems to have worked for most of the people.
<?xml version="1.0" encoding="UTF-8"?>
<CORSConfiguration xm...
delete_all vs destroy_all?
...ave a user whose user ID is across many tables. I want to delete this user and every record that has his ID in all tables.
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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se
I tried to restart my Apache server on CentOS 5.0 and got this message:
11 Answers
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Selenium wait until document is ready
...completely? I want something generic, I know I can configure WebDriverWait and call something like 'find' to make it wait but I don't go that far. I just need to test that the page loads successfully and move on to next page to test.
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