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UPDATE and REPLACE part of a string
... table with two columns, ID and Value . I want to change a part of some strings in the second column.
9 Answers
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How to list active / open connections in Oracle?
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username,
osuser,
terminal,
utl_inaddr.get_host_address(terminal) IP_ADDRESS
from
v$session
where
username is not null
order by
username,
osuser;
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How to modify a text file?
I'm using Python, and would like to insert a string into a text file without deleting or copying the file. How can I do that?
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Shortcuts in Objective-C to concatenate NSStrings
Are there any shortcuts to ( stringByAppendingString: ) string concatenation in Objective-C, or shortcuts for working with NSString in general?
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SHA512 vs. Blowfish and Bcrypt [closed]
...orking password.
Now consider bcrypt. It uses Blowfish to encrypt a magic string, using a key "derived" from the password. Later, when a user enters a password, the key is derived again, and if the ciphertext produced by encrypting with that key matches the stored ciphertext, the user is authentica...
Best practices for SQL varchar column length [closed]
Every time is set up a new SQL table or add a new varchar column to an existing table, I am wondering one thing: what is the best value for the length .
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SQL: capitalize first letter only [duplicate]
..., then use this:
UPDATE [yourtable]
SET word=UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word)))
If you just wanted to change it only for displaying and do not need the actual data in table to change:
SELECT UPPER(LEFT(word,1))+LOWER(SUBSTRING(word,2,LEN(word))) FROM [yourtable]
Hope this h...
What does asterisk * mean in Python? [duplicate]
...=%s" % (args,)
argdict = dict(a="testa", b="testb", c="testc", excessarg="string")
foo(**argdict)
Prints:
a=testa
b=testb
c=testc
args={'excessarg': 'string'}
And
def foo(a,b,c,*args):
print "a=%s" % (a,)
print "b=%s" % (b,)
print "c=%s" % (c,)
print "args=%s" % (args,)
argtu...
Is it possible to break a long line to multiple lines in Python [duplicate]
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This works because python automatically concatenates the strings inside the parenthesis, without the need of putting a + operator.
– blueFast
Oct 17 '17 at 14:30
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in javascript, how can i get the last character in a string [duplicate]
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Since in Javascript a string is a char array, you can access the last character by the length of the string.
var lastChar = myString[myString.length -1];
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