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How does push notification technology work on Android?
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so its confirmed the client is polling along a tcp connection right ? do you know how often it polls for data ? is it every 5 seconds for example. or is it fast like a heartbeat ?
– j2emanue
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Ruby regular expression using variable name
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The code you think doesn't work, does:
var = "Value"
str = "a test Value"
p str.gsub( /#{var}/, 'foo' ) # => "a test foo"
Things get more interesting if var can contain regular expression meta-characters. If it does and you want those matacharacters to do what they usually do in...
How to verify that method was NOT called in Moq?
...n method - it will fail saying that the expectation was not met ; when the test should ideally pass.
– Gishu
Sep 30 '09 at 10:29
53
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Do I need to create indexes on foreign keys on Oracle?
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I can confirm that PostgreSQL - at least at the time of this post - does not do it automatically.
– The Dembinski
Jan 6 '17 at 21:35
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Checking if output of a command contains a certain string in a shell script
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Test the return value of grep:
./somecommand | grep 'string' &> /dev/null
if [ $? == 0 ]; then
echo "matched"
fi
which is done idiomatically like so:
if ./somecommand | grep -q 'string'; then
echo "matched"
f...
Changing capitalization of filenames in Git
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To confirm, you can use git rm --cached fileorfolder to remove the file or folder from git without removing the file or folder from the file system. Then you can simply add the file or folder again with git add fileorfolder.
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Asserting successive calls to a mock method
...ut they must
all appear in mock_calls.
Example:
>>> from unittest.mock import call, Mock
>>> mock = Mock(return_value=None)
>>> mock(1)
>>> mock(2)
>>> mock(3)
>>> mock(4)
>>> calls = [call(2), call(3)]
>>> mock.assert_has_...
Using Chrome's Element Inspector in Print Preview Mode?
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I can confirm this so I made this the approved answer. I'm not sure why they keep insisting on moving it every few releases.
– David Stinemetze
Apr 30 '15 at 17:11
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scheduleAtFixedRate vs scheduleWithFixedDelay
...hing, and your task gets put in a queue of things to do. (NOTE you need to confirm this by either looking at said queue or looking at what the executor threads are doing). How you control this depends on what type of executor you have. You may want to make a separate 1-thread executor for this parti...
How to remove EXIF data without recompressing the JPEG?
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Thanks! I wanted to confirm that exiv2 would show GPS location info so that I could see that it was gone after. The default option for print is "summary" which excludes GPS info. To see all info you have to use: exiv2 -pa pr image.jpg
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