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release Selenium chromedriver.exe from memory
...river.exe from memory (I'm on Windows 7). However after each run there is one chromedriver.exe instance remain in the memory. I hope there is a way I can write something in python to kill the chromedriver.exe process. Obviously browser.close() doesn't do the work. Thanks.
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Java List.add() UnsupportedOperationException
...cts to a List<String> instance but it throws an UnsupportedOperationException .
Does anyone know why?
7 Answers
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Should arrays be used in C++?
...ack C++11 support however. You will have to decide when it's better to use one rather than the other given the lack of std::array
– Nowayz
May 25 '12 at 9:59
4
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Undefined behavior and sequence points
...tors indicated are the built-in operators, as described in clause 5. When one of these operators is overloaded (clause 13) in a valid context, thus designating a user-defined operator function, the expression designates a function invocation and the operands form an argument list, without an implie...
Unix command to find lines common in two files
...command which could print the common lines from two or more files, does anyone know its name? It was much simpler than diff .
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How to get existing fragments when using FragmentPagerAdapter
...ave the Fragment references in WeakReference variables instead of standard ones. Like this:
WeakReference<Fragment> m1stFragment = new WeakReference<Fragment>(createdFragment);
// ...and access them like so
Fragment firstFragment = m1stFragment.get();
if (firstFragment != null) {
//...
What is the best way to test for an empty string in Go?
...taste and about clarity.
Russ Cox writes in a golang-nuts thread:
The one that makes the code clear.
If I'm about to look at element x I typically write
len(s) > x, even for x == 0, but if I care about
"is it this specific string" I tend to write s == "".
It's reasonable to assu...
What should my Objective-C singleton look like? [closed]
...ation:
The runtime sends initialize to each class in a program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the method may never be invoked if the class is not used.) The runtime sends the initialize message ...
Why does ConcurrentHashMap prevent null keys and values?
... barely tolerable in non-concurrent maps can't be
accommodated. The main one is that if map.get(key) returns null, you
can't detect whether the key explicitly maps to null vs the key isn't
mapped. In a non-concurrent map, you can check this via
map.contains(key), but in a concurrent one, the...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...e, returns tuple of 2 strings). It's obvious what the output is (obviously one is going to be the characters for which the predicate was true and the other for which it was false, but it's not clear which is which). It's the documentation that clears this up (and pattern matching can be used to make...