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What is the most efficient way to create a dictionary of two pandas Datafram>me m> columns?
What is the most efficient way to organise the following pandas Datafram>me m>:
4 Answers
4...
LINQ to read XML
...{
StringBuilder result = new StringBuilder();
//Load xml
XDocum>me m>nt xdoc = XDocum>me m>nt.Load("data.xml");
//Run query
var lv1s = from lv1 in xdoc.Descendants("level1")
select new {
Header = lv1.Attribute("nam>me m>").Value,
Children ...
How to redirect output with subprocess in Python?
...ly want to use subprocess, here's the solution (mostly lifted from the docum>me m>ntation for subprocess):
p = subprocess.Popen(my_cmd, shell=True)
os.waitpid(p.pid, 0)
OTOH, you can avoid system calls entirely:
import shutil
with open('myfile', 'w') as outfile:
for infile in ('file1', 'file2', ...
Return from lambda forEach() in java
I am trying to change som>me m> for-each loops to lambda forEach() -m>me m>thods to discover the possibilities of lambda expressions. The following seems to be possible:
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How to un-escape a backslash-escaped string?
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Is there som>me m>thing that is compatible with python 3?
– thejinx0r
Apr 4 '15 at 1:37
3
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AttributeError(“'str' object has no attribute 'read'”)
...still doesn't have a read function. Are we supposed to put the string in som>me m> object with a read function?
– zakdances
Aug 11 '12 at 9:37
90
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How to get current tim>me m> and date in C++?
Is there a cross-platform way to get the current date and tim>me m> in C++?
24 Answers
24
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C++11 emplace_back on vector?
... this behavior will be changed in C++20.
In other words, even though implem>me m>ntation internally will still call T(arg0, arg1, ...) it will be considered as regular T{arg0, arg1, ...} that you would expect.
share
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Resolving ambiguous overload on function pointer and std::function for a lambda using +
...[expr.unary.op]/7:
The operand of the unary + operator shall have arithm>me m>tic, unscoped enum>me m>ration, or pointer type and the result is the value of the argum>me m>nt.
The lambda is not of arithm>me m>tic type etc., but it can be converted:
[expr.prim.lambda]/3
The type of the lambda-expression [...]...
Adding iOS UITableView HeaderView (not section header)
...DidLoad
{
// ...
UIView *headerView = [[UIView alloc] initWithFram>me m>:CGRectMake(XXX, YYY, XXX, YYY)];
UIImageView *imageView = [[UIImageView alloc] initWithFram>me m>:CGRectMake(XXX, YYY, XXX, YYY)];
[headerView addSubview:imageView];
UILabel *labelView = [[UILabel alloc] initWith...