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How many and which are the uses of “const” in C++?
...have their own version.
Using code:
int main() {
string const a = "1234";
string const b = a;
// outputs the same address for COW strings
cout << (void*)&a[0] << ", " << (void*)&b[0];
}
The above snippet prints the same address on my GCC, because the us...
Plotting time in Python with Matplotlib
...imestamps to Python datetime objects (use datetime.strptime). Then use date2num to convert the dates to matplotlib format.
Plot the dates and values using plot_date:
dates = matplotlib.dates.date2num(list_of_datetimes)
matplotlib.pyplot.plot_date(dates, values)
...
How to delete files/subfolders in a specific directory at the command prompt in Windows
...
259
You can use this shell script to clean up the folder and files within C:\Temp source:
del /q ...
To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...
302
Since version 6.0.24, Tomcat ships with a memory leak detection feature, which in turn can lead ...
:first-child not working as expected
...
220
The h1:first-child selector means
Select the first child of its parent
if and only if it...
Why can't Python parse this JSON data?
...
2140
Your data is not valid JSON format. You have [] when you should have {}:
[] are for JSON ar...
multiple prints on the same line in Python
...
287
You can use the print statement to do this without importing sys.
def install_xxx():
print...
Indenting code in Sublime text 2?
...the code is structured nicely and readable. Is there a shortcut in Sublime 2 to do the same?
20 Answers
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