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How long can be the maximum size for RegistryValueKind.String?


How long can be the maximum size for RegistryValueKind.String?

By : Pieter Holland
Date : November 16 2020, 06:23 AM
To fix the issue you can do From MSDN:
Key name: 255 characters. Value name: 16,383 characters Value: Available memory (latest format) / 1 MB (standard format)
code :


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Maximum value vs. size of long and double in .NET

Maximum value vs. size of long and double in .NET


By : K DILIP
Date : March 29 2020, 07:55 AM
This might help you Short answer double only stores the most significant figure and not all the digits that could be in the number. e.g. if you have a double > max value of long it will not be storing any information for digits after the decimal point or any of the figure just to the left of the deciaml point.
For all details see What every computer scientist should know about Floating-Point Arithmetic
Maximum size of an array - Type mismatch: cannot convert from long to int

Maximum size of an array - Type mismatch: cannot convert from long to int


By : J.Cook
Date : March 29 2020, 07:55 AM
around this issue You'll have to address the "why" question to the Java designers. Anyone else can only speculate. My speculation is that they felt that a two-billion-element array ought to be enough for anybody (which, in fairness, it probably is).
What is the maximum size of signed long long data type in 32 bit Linux

What is the maximum size of signed long long data type in 32 bit Linux


By : WhoAmI
Date : March 29 2020, 07:55 AM
hop of those help? The problem is that although you are using a 64bit data type, your calculations are using 32bit values, so you are encountering integer overflow. 140417 * 100000 is 14041700000 (0x344F356A0) in 64bit, but is 1156798112 (0x44F356A0) in 32bit. As you can see, 0x300000000 is being truncated off of the result, as it does not fit in a 32bit value.
You need to ensure that you are using 64bit calculations, eg:
code :
typedef unsigned long long ulong64_t;

int main()
{
     ulong64_t val = 0;
     val = ulong64_t(140417) * ulong64_t(100000) + 92 + 1;
}
int main()
{
     unsigned long long val = 0;
     val = 140417i64 * 100000i64 + 92 + 1;
}
int main()
{
     unsigned long long val = 0;
     val = 140417ull * 100000ull + 92 + 1;
}
Long Polling causes Maximum call stack size exceeded

Long Polling causes Maximum call stack size exceeded


By : Chinmay Deshmukh
Date : March 29 2020, 07:55 AM
around this issue Your code is not passing a callback function to complete, it simply calls a function recursively infinitely.
code :
    $.ajax({ url: url, dataType: "script", complete: function() {
        pollGallery(gallery);
    }, timeout: 30000 });
How to get all columns which are nearly as long as the maximum allowed size

How to get all columns which are nearly as long as the maximum allowed size


By : Jason Xiao
Date : March 29 2020, 07:55 AM
this will help Is it possible to get all columns (varchar2, char, nvarchar2), where the data is as long (or nearly as long - 2 characters less) than the allowed maximum size of the column in an Oracle Database? , Yes it's possible with PL/SQL:
code :
declare
  v_qry varchar2(4000) := '';
  v_res number;
begin
  for x in (
    select table_name, column_name, data_type, data_length 
      from user_tab_columns 
     where data_type in ('VARCHAR2', 'CHAR', 'NVARCHAR2') 
   order by data_type
  ) loop
     -- prepare your statement
     v_qry := 'select  MAX(LENGTH('||x.column_name||')) FROM '||x.table_name||' ';
     -- execute
     execute immediate v_qry into v_res;
     -- print result
    dbms_output.put_line('in:'||x.table_name||'.' ||x.column_name||':'||v_res||':compared to:'|| x.data_length);
  end loop;
end;
/
in:MY.C_UTI_MAJ:6:compared to:6
in:MY.C_UTI_CRE:6:compared to:6
in:MY.C_TYP_PARAM:20:compared to:20
in:MY.PARAM:16:compared to:20
in:MY.DESCRIPTION:245:compared to:255
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