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What is the difference between '/' and '//' when used for division?
... Python 2.x to adopt the 3.x behavior.
Regardless of the future import, 5.0 // 2 will return 2.0 since that's the floor division result of the operation.
You can find a detailed description at https://docs.python.org/whatsnew/2.2.html#pep-238-changing-the-division-operator
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Evaluating string “3*(4+2)” yield int 18 [duplicate]
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40
Yes, you can let C# compiler evaluate it at runtime.
See: CSharpCorner
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Print current call stack from a method in Python code
...):
print(line.strip())
f()
# Prints:
# File "so-stack.py", line 10, in <module>
# f()
# File "so-stack.py", line 4, in f
# g()
# File "so-stack.py", line 7, in g
# for line in traceback.format_stack():
If you really only want to print the stack to stderr, you can use:
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NSUserDefaults - How to tell if a key exists
... dreamlax
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answered Dec 27 '09 at 1:31
jspcaljspcal
45.7k44 gold badg...
Retrieving the text of the selected in element
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260
function getSelectedText(elementId) {
var elt = document.getElementById(elementId);
if ...
Hello World in Python [duplicate]
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print("Hello, World!")
You are probably using Python 3.0, where print is now a function (hence the parenthesis) instead of a statement.
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Error starting jboss server
...ption. Did you change your JRE version when you reinstalled, say from 1.6.0_17 to _18?
Anyway, the workaround is described in the JIRA issue, and also here. You need to change the content of conf/bootstrap/profile.xml. Look for the definition of the AttachmentStore, and change the constructor line...
Rails get index of “each” loop [duplicate]
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answered Jan 27 '11 at 0:12
PreciousBodilyFluidsPreciousBodilyFluids
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jQuery - select the associated label element of a input field [duplicate]
...bel = $('label[for="' + $(this).attr('id') + '"]');
if(label.length <= 0) {
var parentElem = $(this).parent(),
parentTagName = parentElem.get(0).tagName.toLowerCase();
if(parentTagName == "label") {
label = parentElem;
}
}
I hope this helps!
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What does ~> mean in a gem file [duplicate]
...d, but it limits versions to a subset of the possible versions. So ~> 2.0.0 means ">= 2.0.0 and < 2.1.0" in version numbers.
1.2.3 seems to be the latest version of Formtasic, that's why you're getting this error message.
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