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How can I pass arguments to a batch file?
I need to pass an ID and a password to a batch file at the time of running rather than hardcoding them into the file.
17 An...
Restore LogCat window within Android Studio
I have recently started to use Android Studio v0.1.1, And i can't seem to find LogCat... Is it gone? Or if not, how can I enable it?
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How do I modify fields inside the new PostgreSQL JSON datatype?
...bject('<key>', '<value>')
Where <key> should be string, and <value> can be whatever type to_jsonb() accepts.
For setting a value deep in a JSON hierarchy, the jsonb_set() function can be used:
SELECT jsonb_set('{"a":[null,{"b":[]}]}', '{a,1,b,0}', jsonb '{"c":3}')
-- will yi...
Selecting with complex criteria from pandas.DataFrame
...
Sure! Setup:
>>> import pandas as pd
>>> from random import randint
>>> df = pd.DataFrame({'A': [randint(1, 9) for x in range(10)],
'B': [randint(1, 9)*10 for x in range(10)],
'C': [randint(1, 9...
What is the difference between integration and unit tests?
I know the so-called textbook definition of unit tests and integration tests. What I am curious about is when it is time to write unit tests... I will write them to cover as many sets of classes as possible.
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How to fix Error: “Could not find schema information for the attribute/element” by creating schema
I have a windows forms application written in VS2010 with C# and get the following errors in the app.config file:
10 Answ...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
... column rule:
To avoid wrapping when copying code into email, web pages, and books.
To view multiple source windows side-by-side or using a side-by-side diff viewer.
To improve readability. Narrow code can be read quickly without having to scan your eyes from side to side.
I think the last point...
Are there other whitespace codes like   for half-spaces, em-spaces, en-spaces etc useful in HTML
...than one space in the font, except for nbsp, where it renders as one space and imposes the non-breaking character. A real shame. There are cases where only a character will do, for instance when padding is being controled or passed to something else with constructs like before:
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Nearest neighbors in high-dimensional data?
...d the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions:
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When should I use C++14 automatic return type deduction?
...11 raises similar questions: when to use return type deduction in lambdas, and when to use auto variables.
The traditional answer to the question in C and C++03 has been "across statement boundaries we make types explicit, within expressions they are usually implicit but we can make them explicit w...