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How to pick just one item from a generator?
...eld x
nums = numgen() # because it must be the _same_ generator
for n in range(3):
numnext = next(nums)
print(numnext)
This outputs:
1001
1002
1003
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...
Difference in System. exit(0) , System.exit(-1), System.exit(1 ) in Java
...t codes used to be just positive numbers (I mean in UNIX) and according to range:
1-127 are user defined codes (so generated by calling exit(n))
128-255 are codes generated by termination due to different unix signals like SIGSEGV or SIGTERM
But I don't think you should care while coding on Java...
Azure table storage returns 400 Bad Request
... my case it was a forward slash in the RowKey.
I also received an 'OutOfRangeInput - One of the request inputs is out of range.' error when trying to add manually through the storage emulator.
Characters Disallowed in Key Fields
The following characters are not allowed in values for the
...
How can I convert a zero-terminated byte array to string?
...ort "fmt"
func CToGoString(c []byte) string {
n := -1
for i, b := range c {
if b == 0 {
break
}
n = i
}
return string(c[:n+1])
}
func main() {
c := [100]byte{'a', 'b', 'c'}
fmt.Println("C: ", len(c), c[:4])
g := CToGoString(c[:])
...
Print a file's last modified date in Bash
...:
stat -f "%Sm" -t "%Y-%m-%d %H:%M" [filename]
If I want to run it on a range of files, I can do something like this:
#!/usr/bin/env bash
for i in /var/log/*.out; do
stat -f "%Sm" -t "%Y-%m-%d %H:%M" "$i"
done
This example will print out the last time I ran the sudo periodic daily weekly mon...
Maximum value for long integer
...not the best) would be
minval = a[0] # Just use the first value
for i in range(1, len(a)):
minval = min(a[i], a[i - 1])
Note that the above doesn't use MAXINT at all. That part of the solution applies to any programming language: You don't need to know the highest possible value just to find...
Why does appending “” to a String save memory?
...string method, Java does not create a trully new string, but just stores a range of characters inside the original string.
So, when you created a new string with this code:
this.smallpart = data.substring(12, 18) + "";
you actually created a new string when you concatenated the result with the ...
List comprehension in Ruby
...ay created on the fly with the following syntax:
squares = [x**2 for x in range(10)]
The following would be an analog in Ruby (the only adequate answer in this thread, AFAIC):
a = Array.new(4).map{rand(2**49..2**50)}
In the above case, I'm creating an array of random integers, but the block c...
What is the maximum value for an int32?
...
Tried calling it. It rang a few times then went to the error dial tone. =(
– Krythic
Feb 21 '16 at 3:52
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...
How do I format a number with commas in T-SQL?
...
Fiddle is broken, it now says String index out of range: 33
– Jeff Puckett
Oct 26 '16 at 20:14
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