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What is the limit in size of a Php variable when storing string?


What is the limit in size of a Php variable when storing string?

By : Amit
Date : November 22 2020, 09:00 AM
This might help you
So, is there a limit in size to a Php variable to stores value, in this case, a string ?
code :


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Storing list variables as a string and storing it as a variable

Storing list variables as a string and storing it as a variable


By : Lynn M. Stetler-Day
Date : March 29 2020, 07:55 AM
this will help I am trying to enter list items into a string. I then want to store the string as a variable and print it out in another function. The code I have got so far is:
code :
def b():
    ID = [0, 1, 2]
    ID2 = ('ID=%d.%d.%d' % tuple(ID))
    return ID2

if __name__ == '__main__': ID2 = b()

def c(ID2):
    print ID2

if __name__ == '__main__': myObject = c(ID2)
Is there a limit on PHP Variable Size?

Is there a limit on PHP Variable Size?


By : user3272971
Date : March 29 2020, 07:55 AM
hope this fix your issue I need to know if there is a variable limit size with PHP. I'm taking a string field from an SQL database and using echo to view it on a web page. The problem I am running into is that, when I view the web page, I don't see everything that is in the database field. Is there a limit on how much can be in a PHP variable? Is there a way I can make PHP read the entire entry from the database and not stop partway? , The solution was ini_set('odbc.defaultlrl', 65536);
Is it possible to exceed Mongodb's document size limit by storing object Id in a single document?

Is it possible to exceed Mongodb's document size limit by storing object Id in a single document?


By : Tom Steele
Date : March 29 2020, 07:55 AM
I wish did fix the issue. Yes, that's possible for a very large number of posts. The traditional way to overcome the limitation is to invert the schema:
code :
var userSchema = new Schema({
    name: String
});

var postSchema = new Schema({
    user: { type: Schema.Types.ObjectId },  // _id of the post's user
    body : String
});
ORA-06502: character string buffer too small. Even though the string size is under declared size limit

ORA-06502: character string buffer too small. Even though the string size is under declared size limit


By : Hadar Romashkano
Date : March 29 2020, 07:55 AM
will help you ,
Variable v_field_A cannot hold value more than 100 characters
code :
SQL> DECLARE
  2    v_name VARCHAR2(50);
  3  BEGIN
  4    FOR i IN
  5    (SELECT ename FROM emp
  6    )
  7    LOOP
  8      v_name := v_name || i.ename;
  9    END LOOP;
 10  END;
 11  /
DECLARE
*
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 8
SQL> DECLARE
  2    v_name VARCHAR2(50);
  3  BEGIN
  4    FOR i IN
  5    (SELECT ename FROM emp
  6    )
  7    LOOP
  8      dbms_output.put_line('Length of new value = '||LENGTH(i.ename));
  9      v_name := v_name || i.ename;
 10      dbms_output.put_line('Length of variable = '||LENGTH(v_name));
 11    END LOOP;
 12  END;
 13  /
Length of new value = 5
Length of variable = 5
Length of new value = 5
Length of variable = 10
Length of new value = 4
Length of variable = 14
Length of new value = 5
Length of variable = 19
Length of new value = 6
Length of variable = 25
Length of new value = 5
Length of variable = 30
Length of new value = 5
Length of variable = 35
Length of new value = 5
Length of variable = 40
Length of new value = 4
Length of variable = 44
Length of new value = 6
Length of variable = 50
Length of new value = 5
DECLARE
*
ERROR at line 1:
ORA-06502: PL/SQL: numeric or value error: character string buffer too small
ORA-06512: at line 9
Problem either with number of characters exceeding cell limit, or storing lists of variable length

Problem either with number of characters exceeding cell limit, or storing lists of variable length


By : user3038540
Date : November 24 2020, 12:01 PM
hop of those help? IIUC you need lists of the gene names found in each tissue. This writes these lists as columns into a csv:
code :
import pandas as pd

df = pd.read_csv('E-MTAB-5214-query-results.tsv', skiprows = [0,1,2,3], sep='\t')
df = df.drop(columns='Gene ID').set_index('Gene Name')

res = pd.DataFrame()
for c in df.columns:
    res = pd.concat([res, pd.Series(df[c].dropna().index, name=c)], axis=1)

res.to_csv('E-MTAB-5214-query-results.csv', index=False)
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