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How do I get both STDOUT and STDERR to go to the terminal and a log file?
...;(tee -a $HOME/logfile) 2>&1
# Test redirection of STDOUT
echo test_stdout
# Test redirection of STDERR
ls test_stderr___this_file_does_not_exist
(Note: This only works with Bash. It will not work with /bin/sh.)
Adapted from here; the original did not, from what I can tell, catch STDE...
How can I convert my device token (NSData) into an NSString?
...nvert the deviceToken to a String, you can do as follows:
func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined()
print(token)
}
Old answer using NSData:
func...
Image comparison - fast algorithm
...alues. For example, to compare images A and B, we would compute
|A.green_histogram.bucket_1 - B.green_histogram.bucket_1|
for each bucket in the green histogram, and repeat for the other histograms, and then sum up all the results. The smaller the result, the better the match. Repeat for all...
How to use string.replace() in python 3.x
...ring methods. docs.python.org/3.3/library/stdtypes.html#string-methods ~or_for_2~ docs.python.org/2/library/stdtypes.html#string-methods
– ToolmakerSteve
Dec 13 '13 at 22:34
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How to remove unwanted space between rows and columns in table?
...0px;">
<img height="80" src="http://www.website.com/images/Nature_01.jpg" width="600" />
</td>
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How to force cp to overwrite without confirmation
...witch back to Gnome wooed me after Nvidia killed my Fedora install. I'm ¯\_(ツ)_/¯ about it.
– Ray Foss
Jan 21 '18 at 6:35
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Center image in div horizontally [duplicate]
I have an img in a div ( class="top_image" ) and I want this image to be exactly in the middle of the div but nothing I try works...
...
Scala Doubles, and Precision
...igDecimal:
BigDecimal(1.23456789).setScale(2, BigDecimal.RoundingMode.HALF_UP).toDouble
There are a number of other rounding modes, which unfortunately aren't very well documented at present (although their Java equivalents are).
...
Django datetime issues (default=datetime.now())
...mplish what you are trying to do already:
date = models.DateTimeField(auto_now_add=True, blank=True)
or
date = models.DateTimeField(default=datetime.now, blank=True)
The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
IOS: verify if a point is inside a rect
...edited Oct 11 '19 at 11:30
denis_lor
5,10144 gold badges1717 silver badges4141 bronze badges
answered Nov 7 '11 at 14:23
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