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Is there a way to avoid null check before the for-each loop iteration starts? [duplicate]

...)) Alternatively, you could make a wrapper class that implements Iterable and takes a collections, and handles a null collection. You could then write foreach(T obj : new Nullable<T>(list1)) share | ...
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Using multiple delimiters in awk

...be useful, but can make things tricky ... as there are often spaces before and after 'this', this will make 2 extra empty field appear in between the space(s) and 'this') – Olivier Dulac Oct 15 '14 at 13:36 ...
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What is the easiest way to remove all packages installed by pip?

... case you have packages installed via VCS, you need to exclude those lines and remove the packages manually (elevated from the comments below): pip freeze | grep -v "^-e" | xargs pip uninstall -y share | ...
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jQuery: Selecting by class and input type

... a set of elements that are both of a certain input type (say, a checkbox) and have a certain class using jQuery. However, when I try the following: ...
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String strip() for JavaScript? [duplicate]

What's a clean and efficient JavaScript implementation to strip leading and trailing spaces from a string? 8 Answers ...
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Is there anyway to exclude artifacts inherited from a parent POM?

... ideas: Maybe you could simply not inherit from the parent in that case (and declare a dependency on base with the exclusion). Not handy if you have lot of stuff in the parent pom. Another thing to test would be to declare the mail artifact with the version required by ALL-DEPS under the dependenc...
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Is there a better way to iterate over two lists, getting one element from each list for each iterati

I have a list of Latitudes and one of Longitudes and need to iterate over the latitude and longitude pairs. 7 Answers ...
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How to change line color in EditText

... This is the best tool that you can use for all views and its FREE many thanks to @Jérôme Van Der Linden. The Android Holo Colors Generator allows you to easily create Android components such as EditText or spinner with your own colours for your Android application. It will ge...
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Django: Get an object form the DB, or 'None' if nothing matches

...orks exactly as it suppose to. It returns the first object in query result and doesn't cares if multiple results are found. If you need to check for multiple objects returned you should use .get() instead. – Cesar Canassa Mar 13 '14 at 15:03 ...
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How can i take an UIImage and give it a black border?

...eView, the image is viewed perfectly but the sides of image is left blank, and the same happens to the upper and lower portion of the image when image is landscape. The blank space looks ugly with border set to it.. Did you faced this issue? If yes, please suggest a method to solve this ...