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Two way/reverse map [duplicate]
...
Got some extra brackets in there: reverse_map = dict(reversed(item) for item in forward_map.items())
– Andriy Drozdyuk
Dec 12 '11 at 17:30
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How to check Oracle database for long running queries
...ions, nothing will show up.
COLUMN percent FORMAT 999.99
SELECT sid, to_char(start_time,'hh24:mi:ss') stime,
message,( sofar/totalwork)* 100 percent
FROM v$session_longops
WHERE sofar/totalwork < 1
/
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How to generate a random number in C++?
...in a random generator in this way:
#include <iostream>
#include <string>
// Used in randomization
#include <ctime>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int_distribution.hpp>
#include <boost/random/variate_generator.hpp>
us...
What's the difference between Task.Start/Wait and Async/Await?
...he calling thread will not block and continue executing.
static void Main(string[] args)
{
WriteOutput("Program Begin");
// DoAsTask();
DoAsAsync();
WriteOutput("Program End");
Console.ReadLine();
}
static void DoAsTask()
{
WriteOutput("1 - Starting");
var t = Task.Fact...
Is there an expression for an infinite generator?
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knowing the syntax of iter (here with extra sentinel) and the syntax of lambda (here without any passed parameters, just return 0), the only place to hate is that enigmatic g1.
– Sławomir Lenart
Mar 11 '19 at 17:56
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How to len(generator()) [duplicate]
...lution as it describes what I want to get, and it doesn't give me anything extra that's not required (such as a list of all the elements).
Also listen to delnan's advice: If you're discarding the output of the generator it is very likely that there is a way to calculate the number of elements witho...
How do I log a Python error with debug information?
... problem is that traceback lines could have \n inside, so we need to do an extra work to get rid of this line endings:
import logging
logger = logging.getLogger('your_logger_here')
def log_app_error(e: BaseException, level=logging.ERROR) -> None:
e_traceback = traceback.format_exception(e...
How to count string occurrence in string?
How can I count the number of times a particular string occurs in another string. For example, this is what I am trying to do in Javascript:
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Setting the selected value on a Django forms.ChoiceField
...ee_id})
Alternatively the initial argument can be ignored in place of an extra line with:
form.fields['manager'].initial = manager_employee_id
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How to make a in Bootstrap look like a normal link in nav-tabs?
...border: 0px;
box-sizing: none;
background-color: transparent;
}
Extra Styles Edit
Add color: #337ab7; and :hover and :focus to match OOTB (bootstrap3)
.remove_button_css:focus,
.remove_button_css:hover {
color: #23527c;
text-decoration: underline;
}
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