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How to make a valid Windows filename from an arbitrary string?
...em.IO.Path.GetInvalidFileNameChars())
{
fileName = fileName.Replace(c, '_');
}
Edit:
Since GetInvalidFileNameChars() will return 10 or 15 chars, it's better to use a StringBuilder instead of a simple string; the original version will take longer and consume more memory.
...
How do you get a query string on Flask?
... as with a dict and .get, you'd just get None.
– JPEG_
Oct 23 '16 at 8:46
5
@LyndsySimon: Well sp...
How do I set a cookie on HttpClient's HttpRequestMessage
... });
cookieContainer.Add(baseAddress, new Cookie("CookieName", "cookie_value"));
var result = await client.PostAsync("/test", content);
result.EnsureSuccessStatusCode();
}
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impr...
Undefined reference to `pow' and `floor'
...
You can also use LD_PRELOAD to tell ld runtime linker to include libm.so in the memory map and symbol table of the process, so these symbols get loaded and everything works as expected
– debuti
May 28 '18 ...
Finding all possible combinations of numbers to reach a given sum
...t those that reach the target. Here is the algorithm in Python:
def subset_sum(numbers, target, partial=[]):
s = sum(partial)
# check if the partial sum is equals to target
if s == target:
print "sum(%s)=%s" % (partial, target)
if s >= target:
return # if we re...
multiprocessing.Pool: When to use apply, apply_async or map?
I have not seen clear examples with use-cases for Pool.apply , Pool.apply_async and Pool.map . I am mainly using Pool.map ; what are the advantages of others?
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如何获取IE (控件)的所有链接（包括Frameset, iframe） - C/C++ - 清泛网 -...
...接（包括Frameset, iframe）IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：CComPtr<IHTMLElement> body;...CComPtr<IDispatc...IE 顶层 body 节点通过IHTMLElement->get_all 方法无法获取iframe 里面的节点列表：
CComPtr<IHTMLElement...
How are booleans formatted in Strings in Python?
...False)
True, False
This is not specific to boolean values - %r calls the __repr__ method on the argument. %s (for str) should also work.
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foll...
How do I pass a method as a parameter in Python
...thodToRun()
return result
obj.method2(obj.method1)
Note: I believe a __call__() method does exist, i.e. you could technically do methodToRun.__call__(), but you probably should never do so explicitly. __call__() is meant to be implemented, not to be invoked from your own code.
If you wanted me...
Split data frame string column into multiple columns
...
Use stringr::str_split_fixed
library(stringr)
str_split_fixed(before$type, "_and_", 2)
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