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Type-juggling and (strict) greater/lesser-than comparisons in PHP
...
Note: The above example throws a "Object of class stdClass could not be converted to double" notice.
You can find a few nice graphs for PHP's comparison operators on PHP Sadness 52 - Comparison operators.
As a last note, I want to point out that there are two equalities that PHP does guarantee...
C++ lambda with captures as a function pointer
...fn;
}
};
Exapmle
int a = 100;
auto b = [&](void*) {return ++a;};
Converting lambda with captures to a C pointer
void (*f1)(void*) = Lambda::ptr(b);
f1(nullptr);
printf("%d\n", a); // 101
Can be used this way as well
auto f2 = Lambda::ptr(b);
f2(nullptr);
printf("%d\n", a); // 102
In ca...
How to reuse existing C# class definitions in TypeScript projects
...ve a lot of POCOs or you think they might change often, you could create a converter - something simple along the lines of...
public class MyPoco {
public string Name { get; set; }
}
To
export class MyPoco {
public Name: string;
}
There is also a discussion on Codeplex about auto-generatin...
How to upload a file to directory in S3 bucket using boto
...
Try this...
import boto
import boto.s3
import sys
from boto.s3.key import Key
AWS_ACCESS_KEY_ID = ''
AWS_SECRET_ACCESS_KEY = ''
bucket_name = AWS_ACCESS_KEY_ID.lower() + '-dump'
conn = boto.connect_s3(AWS_ACCESS_KEY_ID,
AWS_SECRET_ACCESS_KEY)
bucket = conn.cr...
Convert a List into an ObservableCollection
I have a List<T> which is being populated from JSON. I need to convert it into an ObservableCollection<T> to bind it to my GridView .
...
How to convert a java.util.List to a Scala list
I have this Scala method with below error. Cannot convert into a Scala list.
5 Answers
...
SQL order string as number
...version to number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not contain a number, ...
Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_
...as by using this query:
SELECT
col.name, col.collation_name
FROM
sys.columns col
WHERE
object_id = OBJECT_ID('YourTableName')
Collations are needed and used when ordering and comparing strings. It's generally a good idea to have a single, unique collation used throughout your databas...
CURL alternative in Python
...quire anything to be installed separately.
Python 2/3 compatible.
import sys
if sys.version_info.major == 3:
from urllib.request import HTTPPasswordMgrWithDefaultRealm, HTTPBasicAuthHandler, Request, build_opener
from urllib.parse import urlencode
else:
from urllib2 import HTTPPasswordMgrWit...
How to cast int to enum in C++?
...
MSDN: The static_cast operator can explicitly convert an integral value to an enumeration type. If the value of the integral type does not fall within the range of enumeration values, the resulting enumeration value is undefined.
– Kirill Kobelev
...