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Get exception description and stack trace which caused an exception, all as a string
...ly the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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Java's final vs. C++'s const
... const;
};
void test(const Foo& i) {
i.foo(); //fine
i.bar(); //error
}
Values can be assigned, once, later in Java only e.g.:
public class Foo {
void bar() {
final int a;
a = 10;
}
}
is legal in Java, but not C++ whereas:
public class Foo {
void bar() {
fi...
How to check if a number is a power of 2
Today I needed a simple algorithm for checking if a number is a power of 2.
25 Answers
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How to allow only numeric (0-9) in HTML inputbox using jQuery?
I am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9.
...
When to use Comparable and Comparator
I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works.
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Can't install PIL after Mac OS X 10.9
...
the suggested command brings up an error dialog from Apple. First it asks whether I want to Get XCode (which I have) or "Install". I choose install. It pops up a EULA, I accept, then an error dialog comes up: "Can't install the software because it is not curr...
How do I capture the output of a script if it is being ran by the task scheduler?
...
With stderr (where most of the errors go to):
cmd /c yourscript.cmd > logall.txt 2>&1
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g++ undefined reference to typeinfo
I just ran across the following error (and found the solution online, but it's not present in Stack Overflow):
17 Answers
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How to debug a Flask app
How are you meant to debug errors in Flask? Print to the console? Flash messages to the page? Or is there a more powerful option available to figure out what's happening when something goes wrong?
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Where to put include statements, header or source?
Should I put the includes in the header file or the source file? If the header file contains the include statements, then if I include that header file in my source, then will my source file have all of the included files that were in my header? Or should I just include them in my source file only?
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