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What is the difference between precision and scale?
...ficant digits. Oracle guarantees the portability of numbers with precision ranging from 1 to 38.
Scale is the number of digits to the right (positive) or left (negative) of the decimal
point. The scale can range from -84 to 127.
In your case, ID with precision 6 means it won't accept a number wi...
Get the first item from an iterable that matches a condition
...rst( (1,2,3), condition=lambda x: x % 2 == 0)
2
>>> first(range(3, 100))
3
>>> first( () )
Traceback (most recent call last):
...
StopIteration
"""
return next(x for x in iterable if condition(x))
Version with default argument
@zorf suggested...
SSL Connection / Connection Reset with IISExpress
... work by adding that line to URLrewrite AND changing the port to be in the range ":44300-:44398" (see answer below by uosef)
– Rubanov
Apr 1 '15 at 8:01
...
Concrete Javascript Regex for Accented Characters (Diacritics)
...
@PierreHenry the - defines a range, and this technique exploits the ordering of characters in the charset to define a continuous range, making for a super concise solution to the problem
– Angad
Jun 16 '16 at 7:56
...
Generate list of all possible permutations of a string
..., Python example:
def nextPermutation(perm):
k0 = None
for i in range(len(perm)-1):
if perm[i]<perm[i+1]:
k0=i
if k0 == None:
return None
l0 = k0+1
for i in range(k0+1, len(perm)):
if perm[k0] < perm[i]:
l0 = i
perm[k...
How do you set a default value for a MySQL Datetime column?
...
it's important to note that datetime has a range of 1000-9999, but the range for timestamp is only 1970-2038. this can be a problem if your system has to store birthdates, or you have to handle something like the payment plan for a 30-year mortgage. dev.mysql.com/doc/...
matplotlib does not show my drawings although I call pyplot.show()
...tplotlib_fname()
In [1]: import matplotlib.pyplot as p
In [2]: p.plot(range(20),range(20))
Out[2]: [<matplotlib.lines.Line2D object at 0xa64932c>]
In [3]: p.show()
If you edit ~/.matplotlib/matplotlibrc and change the backend to something like GtkAgg, you should see a plot. You can l...
How do I generate random integers within a specific range in Java?
How do I generate a random int value in a specific range?
66 Answers
66
...
Revert a range of commits in git
How can I revert a range of commits in git? From looking at the gitrevisions documentation, I cannot see how to specify the range I need. For example:
...
How to open a specific port such as 9090 in Google Compute Engine
...allow tcp:9090 --source-tags=<list-of-your-instances-names> --source-ranges=0.0.0.0/0 --description="<your-description-here>"
This will open the port 9090 for the instances that you name. Omitting --source-tags and --source-ranges will apply the rule to all instances. More details are ...