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Constantly print Subprocess output while process is running
... return_code = popen.wait()
if return_code:
raise subprocess.CalledProcessError(return_code, cmd)
# Example
for path in execute(["locate", "a"]):
print(path, end="")
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impro...
How to trigger event when a variable's value is changed?
...Custom Event Handling. Thankful for this post.
– Goodbye
Apr 20 '18 at 11:17
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What's the complete range for Chinese characters in Unicode?
... used in
Japanese copies of classical Chinese texts, to indicate reading order.
[\u3400-\u4DBF]
CJK Unified Ideographs Extension-A is a Unicode block containing rare
Han ideographs.
[\u4E00-\u9FCC]
CJK Unified Ideographs is a Unicode block containing the most common
CJK ideogra...
What is the strict aliasing rule?
...n(void)
{
// Get a 32-bit buffer from the system
uint32_t* buff = malloc(sizeof(Msg));
// Alias that buffer through message
Msg* msg = (Msg*)(buff);
// Send a bunch of messages
for (int i = 0; i < 10; ++i)
{
msg->a = i;
msg->b = i+1;...
“Use the new keyword if hiding was intended” warning
...ace IShow and implements its method ShowData. Class B inherits Class A. In order to use ShowData method in Class B, we have to use keyword new in the ShowData method in order to hide the base class Class A method and use override keyword in order to extend the method.
interface IShow
{
protect...
How do I check if an array includes a value in JavaScript?
...r (o in array) which shouldn't be done when looping through the array generally...
– Damir Zekić
Oct 12 '12 at 13:18
1
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What's the difference between “groups” and “captures” in .NET regular expressions?
...t before looking into this that Captures would be an array of the captures ordered by the group they belong to. Rather it is just an alias to the groups[0].Captures. Pretty useless..
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Date vs DateTime
...
Unfortunately, not in the .Net BCL. Dates are usually represented as a DateTime object with the time set to midnight.
As you can guess, this means that you have all the attendant timezone issues around it, even though for a Date object you'd want absolutely no timezone han...
Random “Element is no longer attached to the DOM” StaleElementReferenceException
...r valid. It's close to impossible for WebDriver to make a good guess about all the cases where this might happen - so it throws up its hands and gives control to you, who as the test/app author should know exactly what may or may not happen. What you want to do is explicitly wait until the DOM is in...
Nested defaultdict of defaultdict
...t the objects it generates can't be pickled... but you can get around this by casting to a regular dict(result) before the pickle
– CpILL
Mar 15 at 23:38
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