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What does an exclamation mark mean in the Swift language?
...re misleading because all they do is use println. Apparently, there are at least a couple of instances where unwrapping of optionals is not required. One is when using println. Another is when using string interpolation. So, maybe println and string interpolation are unwrapping under the covers? May...
Python: TypeError: cannot concatenate 'str' and 'int' objects [duplicate]
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The easiest and least confusing solution:
a = raw_input("Enter a: ")
b = raw_input("Enter b: ")
print "a + b as strings: %s" % a + b
a = int(a)
b = int(b)
c = a + b
print "a + b as integers: %d" % c
I found this on http://freecodeszone.b...
Declaring abstract method in TypeScript
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For me at least with Typescript v1 - I can't reference 'this' from within a constructor to pass to super. Thoughts?
– Kieran Benton
May 18 '14 at 15:55
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How can I select all children of an element except the last child?
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For me at least, this has a bad code smell. You are knowingly applying a css rule to an element that you don't want it to, only to then try to cake another layer to undo it. To me, that's a bad code smell. I fear that kind of css codin...
Go to Matching Brace in Visual Studio?
...idn't work for me). You can re-enable the binding easy enough though - at least so I thought:
I tried this procedure:
Go to menu Tools -> Options -> Environment -> Keyboard
Scroll to, or search for the command Edit.GotoBrace
Assign the desired shortcut (mine was empty, so I put in CTRL...
Optional Parameters with C++ Macros
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Wow, I don't know if this works, but it's at least very creative!
– Limited Atonement
Feb 23 '15 at 19:49
4
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Find the files that have been changed in last 24 hours
...d one day or less ago.
A + before 1 would instead mean anything changed at least one day ago, while having nothing before the 1 would have meant it was changed exacted one day ago, no more, no less.
share
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Extracting text OpenCV
...ro(maskROI)/(rect.width*rect.height);
if (r > .45 /* assume at least 45% of the area is filled if it contains text */
&&
(rect.height > 8 && rect.width > 8) /* constraints on region size */
/* these two conditions alone are not v...
Difference between rake db:migrate db:reset and db:schema:load
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db:setup also runs db:create if necessary. At least as of rails 4.0.2.
– Dan
Feb 13 '14 at 16:40
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CMake not able to find OpenSSL library
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This does not work anymore; not on Ubuntu 18.04 at least.
– Astrid
May 3 '19 at 13:18
6
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