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Unable to install gem - Failed to build gem native extension - cannot load such file — mkmf (LoadErr
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edited Sep 29 '17 at 13:05
answered Dec 7 '12 at 17:13
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is it possible to update UIButton title/text programmatically?
...change some settings. When the view is dismissed, I'd like to update the title/text of the UIButton to reflect the new state. I'm calling:
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TypeError: ObjectId('') is not JSON serializable
...om MongoDB after querying an aggregated function on document using Python, It returns valid response and i can print it but can not return it.
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Regex empty string or email
...l accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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How to avoid “Permission denied” when using pip with virtualenv
I attempt to deploy a Python package with pip in a virtual environment on an Ubuntu machine, but encounter a permission-related issue. For example:
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Pretty Printing a pandas dataframe
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I've just found a great tool for that need, it is called tabulate.
It prints tabular data and works with DataFrame.
from tabulate import tabulate
import pandas as pd
df = pd.DataFrame({'col_two' : [0.0001, 1e-005 , 1e-006, 1e-007],
'column_3' : ['...
Creating instance of type without default constructor in C# using reflection
...the exact same question but has the same answer:
FormatterServices.GetUninitializedObject() will create an instance without calling a constructor. I found this class by using Reflector and digging through some of the core .Net serialization classes.
I tested it using the sample code below and i...
Get value of a string after last slash in JavaScript
...am already trying for over an hour and cant figure out the right way to do it, although it is probably pretty easy:
10 Answ...
How to get HTTP Response Code using Selenium WebDriver
I have written tests with Selenium2/WebDriver and want to test if HTTP Request returns an HTTP 403 Forbidden.
9 Answers
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Where do I find the current C or C++ standard documents?
...Zealand
C17/C18 – ISO/IEC 9899:2018: $185 from SAI Global / $116 from INCITS/ANSI / N2176 / c17_updated_proposed_fdis.pdf draft from November 2017 (Link broken, see Wayback Machine N2176)
C11 – ISO/IEC 9899:2011: $30 $60 from ansi.org / WG14 draft version N1570
C99 – ISO 9899:1999: $30 $60 fro...