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Why does the order in which libraries are linked sometimes cause errors in GCC?
...before one another: -la -lb -la.
Linking to dynamic libraries
$ export LD_LIBRARY_PATH=. # not needed if libs go to /usr/lib etc
$ g++ -fpic -shared d.cpp -o libd.so
$ g++ -fpic -shared b.cpp -L. -ld -o libb.so # specifies its dependency!
$ g++ -L. -lb a.cpp # wrong order (works on some distribut...
Convert JSON string to dict using Python
...he vague nomenclature used. Here is what I wrote to combat this: def read_json(json_data): if (type(json_data) == str): return json.loads(json_data) elif (str(type(json_data)) == "<class '_io.TextIOWrapper'>"): return json.load(json_data) I'm sure this can be improv...
How do you check whether a number is divisible by another number (Python)?
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@Chris_Rands Put that into an answer, people who do code-golf (like me) would be very happy. In fact, I came here looking for a golfed answer like that.
– MilkyWay90
Nov 11 '18 at 22:29
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What are all the escape characters?
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\a does not compile in javac 1.8.0_20: illegal escape character: String test = "\a";
– Ehryk
Mar 15 '15 at 18:18
3
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What does the @ symbol before a variable name mean in C#? [duplicate]
...name is recorded in the assembly as "class", vs. with an underscore it is "_class". Thus, if another .NET language doesn't define "class" as a reserved word, they could use the name just "class".
– P Daddy
Jan 9 '09 at 20:23
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In php, is 0 treated as empty?
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In case of numeric values you should use is_numeric function:
$var = 0;
if (is_numeric($var))
{
echo "Its not empty";
}
else
{
echo "Its empty";
}
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Creating a config file in PHP
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@Luka You can use var_export function.
– Hasan Bayat
Sep 30 '17 at 12:25
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Does the C++ standard mandate poor performance for iostreams, or am I just dealing with a poor imple
...ode compiled with GCC gives the following breakdown:
44.23% in std::basic_streambuf<char>::xsputn(char const*, int)
34.62% in std::ostream::write(char const*, int)
12.50% in main
6.73% in std::ostream::sentry::sentry(std::ostream&)
0.96% in std::string::_M_replace_safe(unsigned int, unsi...
How to remove stop words using nltk or python
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from nltk.corpus import stopwords
# ...
filtered_words = [word for word in word_list if word not in stopwords.words('english')]
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Inline labels in Matplotlib
In Matplotlib, it's not too tough to make a legend ( example_legend() , below), but I think it's better style to put labels right on the curves being plotted (as in example_inline() , below). This can be very fiddly, because I have to specify coordinates by hand, and, if I re-format the plot, I pro...