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Is there a foreach loop in Go?
Is there a foreach construct in the Go language? Can I iterate over a slice or array using a for ?
8 Answers
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How to import a module given the full path?
...
For Python 3.5+ use:
import importlib.util
spec = importlib.util.spec_from_file_location("module.name", "/path/to/file.py")
foo = importlib.util.module_from_spec(spec)
spec.loader.exec_module(foo)
foo.MyClass()
For Python ...
Convert objective-c typedef to its string equivalent
...are not continguous from 0). Something like this would work:
- (NSString*)formatTypeToString:(FormatType)formatType {
NSString *result = nil;
switch(formatType) {
case JSON:
result = @"JSON";
break;
case XML:
result = @"XML";
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Can you do a partial checkout with Subversion?
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Oh, you have to update the parent (proj/foo) before you can update deeper (proj/foo/boo).
– sam
Oct 17 '13 at 18:09
4
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Slow Requests on Local Flask Server
... browsers can be painfully slow if accessing your local server. The reason for this is that sometimes “localhost” is configured to be available on both ipv4 and ipv6 socktes and some browsers will try to access ipv6 first and then ivp4.
So the fix is to disable ipv6 from the localhost by comm...
“Pretty” Continuous Integration for Python
...he Jenkins route, or if you want to use another CI server that has support for JUnit test reporting.
Similarly you can capture the output of pylint using the violations plugin for Jenkins
share
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i...
How can I add reflection to a C++ application?
I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
warning: implicit declaration of function
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You are using a function for which the compiler has not seen a declaration ("prototype") yet.
For example:
int main()
{
fun(2, "21"); /* The compiler has not seen the declaration. */
return 0;
}
int fun(int x, char *p)
{
/* ... ...
How to wait for several Futures?
...
You could use a for-comprehension as follows instead:
val fut1 = Future{...}
val fut2 = Future{...}
val fut3 = Future{...}
val aggFut = for{
f1Result <- fut1
f2Result <- fut2
f3Result <- fut3
} yield (f1Result, f2Result, f3R...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
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The compiler can't generally transform
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 128)
for (int i = 0; i < 100000; ++i)
sum += data[c];
into
for (int c = 0; c < arraySize; ++c)
if (data[c] >= 128)
...