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What is the proper way to test if a parameter is empty in a batch file?
... %1 is surrounded by quotes such as the case when %1 is "c:\some path with spaces" .
16 Answers
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White space showing up on right side of page when background image should extend full length of page
... are having problems in FireFox as well as Safari in iOS on iPads/iPhones with white space showing up on the right side of the page.
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Is there a way to list task dependencies in Gradle?
...g of the available tasks and the task dependencies
gradle tasks --all
EDIT: as noted by Radim in the comments, this command does not report dependencies, for gradle 3.3 and newer (see https://docs.gradle.org/3.3/release-notes.html#improved-performance-of-tasks-report).
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Element-wise addition of 2 lists?
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Use map with operator.add:
>>> from operator import add
>>> list( map(add, list1, list2) )
[5, 7, 9]
or zip with a list comprehension:
>>> [sum(x) for x in zip(list1, list2)]
[5, 7, 9]
Timing compariso...
How to check if a String contains another String in a case insensitive manner in Java?
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Yes, contains is case sensitive. You can use java.util.regex.Pattern with the CASE_INSENSITIVE flag for case insensitive matching:
Pattern.compile(Pattern.quote(wantedStr), Pattern.CASE_INSENSITIVE).matcher(source).find();
EDIT: If s2 contains reg...
Java time-based map/cache with expiring keys [closed]
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Yes. Google Collections, or Guava as it is named now has something called MapMaker which can do exactly that.
ConcurrentMap<Key, Graph> graphs = new MapMaker()
.concurrencyLevel(4)
.softKeys()
.weakValues()
.maximumSize(10000)
.expiration(1...
How to log out user from web site using BASIC authentication?
Is it possible to log out user from a web site if he is using basic authentication?
22 Answers
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How to upload a project to Github
After checking Upload my project to github I still have no idea how to get a project uploaded to my Git Hub repository.
2...
How do I sort a vector of pairs based on the second element of the pair?
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EDIT: using c++14, the best solution is very easy to write thanks to lambdas that can now have parameters of type auto. This is my current favorite solution
std::sort(v.begin(), v.end(), [](auto &left, auto &right) {
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How to determine when Fragment becomes visible in ViewPager
...follow
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edited Jun 15 '16 at 18:11
Peter Mortensen
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