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How to develop and test an app that sends emails (without filling someone's mailbox with test data)?
I have a lot of apps that send email. Sometimes it's one or two messages at a time. Sometimes it's thousands of messages.
9...
How to change a TextView's style at runtime
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Good one! My mistake was that I was sending my old typeface in first parameter. So it does work when I change NORMAL -> BOLD but not BOLD -> NORMAL. I didn't know the first parameter could be null! Now it works fine for me!
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Difference between margin and padding?
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One key thing that is missing in the answers here:
Top/Bottom margins are collapsible.
So if you have a 20px margin at the bottom of an element and a 30px margin at the top of the next element, the margin between the two el...
How do you implement a re-try-catch?
... You should re-throw the exception if the last re-try fails, as done in the other answers given.
– cvacca
Mar 28 '14 at 21:01
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How do I get the path of the Python script I am running in? [duplicate]
... question was how to obtain the module's path, not how to build one pathname from another
– Ben Bryant
Jan 19 '12 at 17:24
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C compile error: “Variable-sized object may not be initialized”
...u if you only provide the informal explanation. Variable length arrays are one of these topics. +1 for quoting the standard.
– Pascal Cuoq
Jun 21 '10 at 8:30
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How to select/get drop down option in Selenium 2
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deselectAll will throw an UnsupportedOperationException if the select does not support multiple selections
– Tom Hartwell
Mar 20 '13 at 19:42
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Is there any performance reason to declare method parameters final in Java?
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Just one more point that to above that using non-final local variables declared within the method—the inner class instance may outlive the stack frame, so the local variable might vanish while the inner object is still alive
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Create an index on a huge MySQL production table without table locking
...s set bio="" where id = 41225\G'>/dev/null) 2>&1 | grep real;
done
) | cat -n &
PID=$!
sleep 0.05
echo "Index Update - START"
mysql -uroot website_development -e 'alter table users add index ddopsonfu (last_name, email, first_name, confirmation_token, current_sign_in_ip);'
echo "Inde...
time.sleep — sleeps thread or process?
...ADS block, allowing other threads to continue to execute while the current one sleeps. You can also test this with a simple python program:
import time
from threading import Thread
class worker(Thread):
def run(self):
for x in xrange(0,11):
print x
time.sleep(1...