Questions tagged [number-literal]
9 questions
80
votes
4 answers
Why does {. . . .0} evaluate to {}?
I just found {....0} in friend's code. Evaluating it in console returns {} (empty object).
Why is that? What is the meaning of 4 dots in JavaScript?
Mist
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9
votes
2 answers
What is the full list of number suffixes in PowerShell?
What is the full list of suffixes you can use on PowerShell number literals?
So far I have found:
╔════════╦═════════╦════════════════════════╗
║ Suffix ║ Example ║ Result ║
╠════════╬═════════╬════════════════════════╣
║ L ║ …
Andrey Shchekin
- 21,101
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5
votes
3 answers
Coding conventions for number literal suffix?
I did some googleling, but was unable to find a solution to my question.
Are there generally accepted java coding conventions according to double and float declaration?
What syntax is recommended by those guidelines?
Double d = 1d;
…
L.Butz
- 2,466
- 25
- 44
2
votes
1 answer
Why the literal "-9223372036854775808" (min 64 bit signed integer) is not accepted by kotlin?
I'm trying to write a fast json parser for JVM in kotlin.
And I found this issue, I'm not sure this is a bug or any good reason behind this.
val x: Long = -9223372036854775808L // compile error
damphat
- 18,246
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2
votes
1 answer
Numeric literals prepended with `0`
Using insert, I push values to an Array as:
myarray=[22,33,44]
myarray.insert(0,02)
# => [2,22,33,44]
If do the following, I get:
myarray.insert(0,020)
# => [16,2,22,33,44]
020 becomes 16? If I do the following, I get:
myarray.insert(0,0200)
# =>…
user1884495
2
votes
1 answer
Do any SQL systems use commas as decimal points in numeric literals?
From what I can ascertain, most SQL implementations insist on a '.' decimal point in numeric literals.
Do any use a ',' instead? (ie. as used by many European countries), or can the '.' be assumed?
The specific situation I have, has .NET/ADO.NET…
winwaed
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2
votes
3 answers
Determine the Kind (int, float) of Number a Python numeric literal represents?
In case anyone is interested, this is a followup to Regular expression to match a Python integer literal.
The tokenize module is useful for breaking apart a Python expression, but tokenize.NUMBER is not very expressive, as it represents all kinds…
asmeurer
- 86,894
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1
vote
1 answer
number 622.08E6 interpretation in C
I recently came across a C code (working by the way) where I found
freq_xtal = ((622.08E6 * vcxo_reg_val->hiv * vcxo_reg_val->n1)/(temp_rfreq));
From my intuition it seems that 622.08E6 should mean 622.08 x 10^6. Is this assumption correct?
I tried…
liv2hak
- 14,472
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- 270
0
votes
1 answer
Unusual variable type mismatches
If I run the command:
Resize-VHD -ComputerName $VMhost -Path "D:\VMs\$VMname\Virtual Hard Disks\$vmname.vhdx" -SizeBytes 70GB
Powershell is clever enough to understand what 70GB is, accept the arguement and will resize the drive,
However, if I do…
FrankU32
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