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How to save all the variables in the current python session?
...y in dir():
try:
my_shelf[key] = globals()[key]
except TypeError:
#
# __builtins__, my_shelf, and imported modules can not be shelved.
#
print('ERROR shelving: {0}'.format(key))
my_shelf.close()
To restore:
my_shelf = shelve.open(filename)
for key i...
relative path in require_once doesn't work
... There is now a troubleshooting checklist for this frequent error here : stackoverflow.com/a/36577021/2873507
– Vic Seedoubleyew
Apr 12 '16 at 15:24
...
How can I get nth element from a list?
...ype is acceptable as idiomatic Haskell. [1,2,3]!!6 will give you a runtime error. It could very easily be avoided if !! had the type [a] -> Int -> Maybe a. The very reason we have Haskell is to avoid such runtime errors!
– worldsayshi
Apr 14 '15 at 21:08
...
How to play ringtone/alarm sound in Android
...
I still get an error - Failed to open ringtone content://settings/system/alarm_alert
– Pritesh Desai
Feb 10 '13 at 19:19
...
Why aren't python nested functions called closures?
...ou try
def initCounter():
x = 0;
def counter ():
x += 1 ##Error, x not defined
print x
return counter
count = initCounter();
count(); ##Error
count();
count();
You'll get an error saying that x is not defined. But how can that be if it has been shown by others that y...
What is the difference between const_iterator and non-const iterator in the C++ STL?
...};
std::vector<int>::const_iterator cit = v.begin();
// Compile time error: cannot modify container with const_iterator.
//*cit = 1;
As shown above, v.begin() is const overloaded, and returns either iterator or const_iterator depending on the const-ness of the container variable:
How does ...
Use of def, val, and var in scala
...abels from def and val cannot be reassigned, and in case of any attempt an error like the below one will be raised:
scala> something = 5 * 6
<console>:8: error: value something_= is not a member of object $iw
something = 5 * 6
^
When the class is defined like:
scala> cl...
Getting “CHECKOUT can only be performed on a version resource” when trying to commit using Eclipse s
...roject from the package explorer, selecting "Team" -> "Commit"), I get the error:
10 Answers
...
Converting DateTime format using razor
...et both the DataFormatString and set ApplyFormatInEditMode to true for the error to go away and the value to properly display when using EditorFor in my MVC view.
– Mark
Jun 5 '15 at 21:02
...
In which order should floats be added to get the most precise result?
... (also known as compensated summation) significantly reduces the numerical error in the total obtained by adding a sequence of finite precision floating point numbers, compared to the obvious approach. This is done by keeping a separate running compensation (a variable to accumulate small errors).
...