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'App not Installed' Error on Android
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edited Jun 20 at 9:12
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answered Mar 5 '17 at 18:28
Chris GongChris Gong...
WebDriver: check if an element exists? [duplicate]
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this is the recommended way to look for non-exist element in selenium javadoc, just in case anyone needs a pointer to it: selenium.googlecode.com/git/docs/api/java/org/openqa/selenium/…
– Chen Xie
M...
What is a clean, pythonic way to have multiple constructors in Python?
...s = None):
if num_holes is None:
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Now if you want complete freedom of adding more parameters:
class Cheese():
def __init__(self, *args, **kwargs):
#args -- tuple of anonymous arguments
#kwargs -- dictionary of named arguments
self.num_holes = kwa...
java.util.regex - importance of Pattern.compile()?
What is the importance of Pattern.compile() method?
Why do I need to compile the regex string before getting the Matcher object?
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What order are the Junit @Before/@After called?
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How do I test if a variable is a number in Bash?
...ular expression has to be saved in a variable, but if it's for the sake of compatibility I don't think it's necessary. You could just apply the expression directly: [[ $yournumber =~ ^[0-9]+$ ]].
– konsolebox
Aug 31 '13 at 21:48
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Hidden Features of C#? [closed]
... isn't C# per se, but I haven't seen anyone who really uses System.IO.Path.Combine() to the extent that they should. In fact, the whole Path class is really useful, but no one uses it!
I'm willing to bet that every production app has the following code, even though it shouldn't:
string path = dir ...
Indenting #defines
...; the leading "#" had to always be placed in the first column.
Pre-ANSI C compilers are non-existent these days. Use which ever style (space before "#" or space between "#" and the identifier) you prefer.
http://www.delorie.com/gnu/docs/gcc/cpp_48.html
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How to correctly use the extern keyword in C
...mport the variable from somewhere else. For functions, this only tells the compiler that linkage is extern. As this is the default (you use the keyword "static" to indicate that a function is not bound using extern linkage) you don't need to use it explicitly.
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Why does integer overflow on x86 with GCC cause an infinite loop?
...gers usually wrap the way you expect. This is one of those exceptions. The compiler assumes you won't cause undefined behavior, and optimizes away the loop test. If you really want wraparound, pass -fwrapv to g++ or gcc when compiling; this gives you well-defined (twos-complement) overflow semantics...