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How to make my custom type to work with “range-based for loops”?
... return false;
}
};
live example of this.
Minimal test code is:
struct cstring {
const char* ptr = 0;
const char* begin() const { return ptr?ptr:""; }// return empty string if we are null
null_sentinal_t end() const { return {}; }
};
cstring str{"abc"};
for (char c : str) {
std::cout &...
Convert a String representation of a Dictionary to a dictionary?
... can I convert the str representation of a dict , such as the following string, into a dict ?
9 Answers
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How to set JAVA_HOME in Linux for all users
...re, this is a simple replacement of matching text from input with an empty string. The "default" character for replacements is the /, but as long as you're consistent, you can replace the / with anything. In this case it's colons as we use / for path separators.
– Ungeheuer
...
What happens when there's insufficient memory to throw an OutOfMemoryError?
...e);
else test(e);
}
}
public static void main (String[] args) {
test(null);
}
}
Running it produces this output:
$ javac OOMTest.java && java -Xmx10m OOMTest
Got the same OutOfMemoryError twice: java.lang.OutOfMemoryError: Java heap space
BTW, th...
Error “The goal you specified requires a project to execute but there is no POM in this directory” a
...hetypes" "-DarchetypeArtifactId=java-simple" with interactive mode or with extra parameters.
– Andrey Lebedenko
Jul 25 '18 at 14:45
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PHP array delete by value (not key)
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this only works for objects that can be converted to a string
– nischayn22
Aug 12 '12 at 20:20
7
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check if variable is dataframe
...ype() and isinstance()?). For example, it will tell you if a variable is a string (either str or unicode), because they derive from basestring)
if isinstance(obj, basestring):
i_am_string(obj)
Specifically for pandas DataFrame objects:
import pandas as pd
isinstance(var, pd.DataFrame)
...
How do I split a multi-line string into multiple lines?
I have a multi-line string literal that I want to do an operation on each line, like so:
6 Answers
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Why should you remove unnecessary C# using directives?
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Leaving extra using directives is fine. There is a little value in removing them, but not much. For example, it makes my IntelliSense completion lists shorter, and therefore easier to navigate.
The compiled assemblies are not affe...
jQuery get html of container including the container itself
... @mc10 we can simply use clone() and you will not have to worry about extra elements created. var x = $('#container').clone().wrap('<p/>').parent().html();. The idea of wrap is great and allot less complicated then most of the solutions provided.
– Pinkie
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