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In Eclipse, what can cause Package Explorer “red-x” error-icon when all Java sources compile without
...metimes when you look in the "Problems" tab , you will find the problem is extra files with an underscore in some folders e.g __duplicatefile.java . To fix this, rightclick on the project and select : Show In > Navigator . Then delete the duplicate files with underscore and build your project.
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Check if object is file-like in Python
... common meanings are "has read(size)", "has read()", or "is an iterable of strings", but some old libraries may expect readline instead of one of those, some libraries like to close() files you give them, some will expect that if fileno is present then other functionality is available, etc. And simi...
What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
...iving a value like *.c does not entail any expansion. It is only when this string is used by a command that it will maybe trigger some globbing. Similarly, a value like $(wildcard *.c) or $(shell ls *.c) does not entail any expansion and is completely evaluated at definition time even if we used := ...
Set every cell in matrix to 0 if that row or column contains a 0
... using the final row/column to store that information, so I was stuck with extra memory for a pair of Nx1 arrays.
– Dave Sherohman
Dec 8 '08 at 15:44
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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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BUILDING Again on Nathan and JB's Answer:
How To Launch App From url w/o Extra Click
If you prefer a solution that does not include the interim step of clicking a link, the following can be used. With this javascript, I was able to return a Httpresponse object from Django/Python that successfull...
difference between width auto and width 100 percent
...rders.
width: 100%; will make the element as wide as the parent container. Extra spacing will be added to the element's size without regards to the parent. This typically causes problems.
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jquery stop child triggering parent event
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Or, rather than having an extra event handler to prevent another handler, you can use the Event Object argument passed to your click event handler to determine whether a child was clicked. target will be the clicked element and currentTarget will be t...
How to efficiently count the number of keys/properties of an object in JavaScript?
...).length worked best for me, because my return object is sometimes a plain string with no properties within it. _.size(obj) gives me back the length of the string, while _.keys(obj).length returns 0.
– Jacob Stamm
Nov 23 '15 at 23:02
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Using multiple delimiters in awk
...ors, with | : ex: awk -F 'this|that|[=/]' '......' (usefull to have words/strings separating things) (note that this keeps the spaces in the fiels between 2 separators. Adding also |[ \t]+ can be useful, but can make things tricky ... as there are often spaces before and after 'this', this will ma...
How to hide reference counts in VS2013?
...f I wanted to know what references the member -- I too like not having any extra information crammed into my code, like extra white-space.
In short, uncheck Codelens...
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