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How did I get a value larger than 8 bits in size from an 8-bit integer?
...th c = c - 1 and the values remained within the range [-128 ... 127]:
c: -123
c: -124
c: -125
c: -126
c: -127
c: -128 // about to overflow
c: 127 // woop
c: 126
c: 125
c: 124
c: 123
c: 122
Freaky ey? I don't know much about what the compiler does to expressions like i++ or i--. It's likely promo...
Check if a string contains a number
...RE_D.search(string)
# Output from iPython
# In [18]: %timeit f1('assdfgag123')
# 1000000 loops, best of 3: 1.18 µs per loop
# In [19]: %timeit f2('assdfgag123')
# 1000000 loops, best of 3: 923 ns per loop
# In [20]: %timeit f3('assdfgag123')
# 1000000 loops, best of 3: 384 ns per loop
...
Best way to parse command line arguments in C#? [closed]
... master), or their arguments are not flexible (i.e., doesn't support --foo 123 = --foo=123 = -f 123= -f=123 and also -v -h = -vh).
– Wernight
Nov 28 '12 at 12:13
1
...
ALTER DATABASE failed because a lock could not be placed on database
...nnection 1 (leave running for a couple of minutes)
CREATE DATABASE TESTING123
GO
USE TESTING123;
SELECT NEWID() AS X INTO FOO
FROM sys.objects s1,sys.objects s2,sys.objects s3,sys.objects s4 ,sys.objects s5 ,sys.objects s6
Connections 2 and 3
set lock_timeout 5;
ALTER DATABASE TESTING123 SET ...
How to properly URL encode a string in PHP?
...le:
$dataString = "https://www.google.pl/search?q=PHP is **great**!&id=123&css=#kolo&email=me@liszka.com)";
$dataStringUrlEncodedRFC1738 = UrlEncoder::encode($dataString, UrlEncoder::STANDARD_RFC1738);
$dataStringUrlEncodedRFC3986 = UrlEncoder::encode($dataString, UrlEncoder::STANDARD_R...
Update a record without first querying?
...teStoreCommand
("UPDATE items SET itemstatus = 'some status' WHERE id = 123 ");
For performance reasons, you may want to pass in variables instead of a single hard coded SQL string. This will allow SQL Server to cache the query and reuse with parameters. Example:
dataEntity.ExecuteStoreComma...
How do I check to see if a value is an integer in MySQL?
...NED ) // will return 0 if not numeric string.
for example
SELECT CAST('a123' AS UNSIGNED) // returns 0
SELECT CAST('123' AS UNSIGNED) // returns 123 i.e. > 0
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Is it worth using Python's re.compile?
...
dF.dF.
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Different between parseInt() and valueOf() in java?
...ould also use this eyesore:
Integer k = Integer.valueOf(Integer.parseInt("123"))
Now, if what you want is the object and not the primitive, then using valueOf(String) may be more attractive than making a new object out of parseInt(String) because the former is consistently present across Integer,...
Sequelize.js delete query?
...'s a destroy() method you can call on a record, for example:
Project.find(123).on('success', function(project) {
project.destroy().on('success', function(u) {
if (u && u.deletedAt) {
// successfully deleted the project
}
})
})
...