integer Questions
4
Solved
Is there a succinct operation in JavaScript (ES2015) that does this:
x => x === undefined ? 0 : x
I keep running into situations where I want to increment x, but it's initially undefined, so ...
Anelace asked 4/1, 2017 at 2:57
6
Solved
I have a data structure:
data = array of integer;
I have filled it from an
source = array of byte;
with
data[x] := Source[offset] or (Source[offset + 1] shl 8) or
(Source[offset + 2] shl 16...
5
I tried to run this code, but it showed an error:
def shoot(aliens):
s=[0]*1000
s[0]=0
s[1]=1
num=len(aliens)
b=[[0 for m in range(1000)] for n in range(1000)]
for j in xrange(2,num):
for i ...
Vorous asked 19/7, 2013 at 20:46
6
With my code, I want to get the last two digits of an integer. But when I make x a positive number, it will take the first x digits, if it is a negative number, it will remove the first x digits.
...
Lilian asked 15/1, 2017 at 18:37
6
Solved
In Java, if we divide bytes, shorts or ints, we always get an int. If one of the operands is long, we'll get long.
My question is - why does byte or short division not result in byte or short? Why...
Sauder asked 8/12, 2016 at 8:3
3
Solved
I have a function that I apply to a column and puts results in another column and it sometimes gives me integer(0) as output. So my output column will be something like:
45
64
integer(0)
78
How ...
Latreshia asked 19/1, 2014 at 14:32
9
I need to convert a binary input into a decimal integer. I know how to go from a decimal to a binary:
n = int(raw_input('enter a number: '))
print '{0:b}'.format(n)
I need to go in the reverse d...
Carabiniere asked 13/2, 2014 at 21:23
6
I have a nvarchar column in one of my tables. Now I need to convert that column values to INT type..
I have tried using
cast(A.my_NvarcharColumn as INT)
and
convert (int, N'A.my_NvarcharCo...
Medallist asked 19/10, 2012 at 5:22
15
Solved
Given a decimal integer (eg. 65), how does one reverse the underlying bits in Python? i.e.. the following operation:
65 → 01000001 → 10000010 → 130
It seems that this task can be broken down into ...
Finisterre asked 1/10, 2012 at 22:20
5
Solved
When I use pandas to read a MySQL table, some columns (see 'to_nlc' in the image below) that used to have an integer type became a floating-point number (automatically append .0).
Can anyone figure...
4
Solved
Given {"a": 1234567890}, I want 1,234,567,890 in the result, how this can be done with jq
echo '{"a": 1234567890}' | jq '.a | FORMAT?'
Thanks for @peak's answer, the solution is
echo '{"a": 12...
Varus asked 10/2, 2020 at 10:29
9
Solved
I'm using jQuery to get the height of an element.
But if the element doesn't exist, the following code will return NULL:
$height = $('#menu li.active ul').height(); // returns integer or null
Is...
Whalebone asked 2/9, 2016 at 9:14
4
Solved
I want to divide two numbers in awk, using integer division, i.e truncating the result. For example
k = 3 / 2
print k
should print 1
According to the manual,
Division; because all numbers ...
7
Solved
Is there any significant difference (in performance or best practices) between those two stream creation methods?
int[] arr2 = {1,2,3,4,5,6};
Arrays.stream(arr2)
.map((in)->in*2)
.mapToObj((...
Duester asked 31/12, 2018 at 9:19
4
Solved
I have a string, and I know that it only contains a number.
How can I check if this number is int or float?
6
Solved
How can I convert a string value like "0x310530" to an integer value in C#?
I've tried int.TryParse (and even int.TryParse with System.Globalization.NumberStyles.Any) but it does not work...
6
Solved
I am new to C/C++, so I have a couple of questions about a basic type:
a) Can you explain to me the difference between int64_t and long (long int)?
In my understanding, both are 64 bit integers....
Commend asked 28/11, 2012 at 11:35
7
Solved
How do I get python to accept both integer and float?
This is how I did it:
def aud_brl(amount,From,to):
ER = 0.42108
if amount == int:
if From.strip() == 'aud' and to.strip() == 'brl':
ab = in...
Ganesha asked 22/4, 2017 at 20:13
5
Solved
I am working on a trading API (activex from interactive brokers)which has a method called:
void reqMktDataEx(int tickerId, IContract contract, string generalDetails, int snapshot)
The issue is aro...
15
Solved
Go's range can iterate over maps and slices, but I was wondering if there is a way to iterate over a range of numbers, something like this:
for i := range [1..10] {
fmt.Println(i)
}
Or is there...
17
Solved
So I have this query working (where signal_data is a column) in Sybase but it doesn't work in Microsoft SQL Server:
HEXTOINT(SUBSTRING((INTTOHEX(signal_data)),5,2)) as Signal
I also have it in E...
Mina asked 31/3, 2009 at 20:56
10
Solved
The stdint.h header lacks an int_fastest_t and uint_fastest_t to correspond with the {,u}int_fastX_t types. For instances where the width of the integer type does not matter, how does one pick the ...
Cashbook asked 12/9, 2010 at 7:54
6
Solved
Here is my code :
Int -> ByteArray
private fun write4BytesToBuffer(buffer: ByteArray, offset: Int, data: Int) {
buffer[offset + 0] = (data shr 24).toByte()
buffer[offset + 1] = (data shr 16).t...
34
Solved
Can anyone explain to me how to reverse an integer without using array or String. I got this code from online, but not really understand why + input % 10 and divide again.
while (input != 0) {
re...
9
Solved
I'm trying to make a method that converts an integer that represents bytes to a string with a 'prettied up' format.
Here's my half-working attempt:
class Integer
def to_filesize
{
'B' => 10...
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