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Creating stored procedure and SQLite?
...: NO
Here's Why ... I think a key reason for having stored procs in a database is that you're executing SP code in the same process as the SQL engine. This makes sense for database engines designed to work as a network connected service but the imperative for SQLite is much less given that it runs ...
What is the difference between IEqualityComparer and IEquatable?
...s of Person at some point you might require to test equality of two people based on their age. In that case you can do:
class Person
{
public int Age;
}
class AgeEqualityTester : IEqualityComparer<Person>
{
public bool Equals(Person x, Person y)
{
return x.Age == y.Age;
...
generate model using user:references vs user_id:integer
...ly put the line in the Micropost model
class Micropost < ActiveRecord::Base
belongs_to :user
end
class User < ActiveRecord::Base
has_many :microposts
end
the keywords belongs_to and has_many determine the relationship between these models and declare user_id as a foreign key to User mo...
What to do on TransactionTooLargeException
...Delving into the source code of android one finds these lines:
frameworks/base/core/jni/android_util_Binder.cpp:
case FAILED_TRANSACTION:
ALOGE("!!! FAILED BINDER TRANSACTION !!!");
// TransactionTooLargeException is a checked exception, only throw from certain methods.
// FIXME: Trans...
How do I get an HttpContext object from HttpContextBase in ASP.NET MVC 1?
...ed to get an instance of HttpContext given a reference to an HttpContextBase object. I can't use HttpContext.Current because I need this to work asynchronously as well ( HttpContext.Current returns null during an asynchronous request). I'm aware of HttpContextWrapper , but goes the wrong w...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...ne ;) )
https://www.owasp.org/images/d/d4/OWASP_IL_2007_SQL_Smuggling.pdf (based on the previous paper, which is no longer available)
Point is, any blacklist you do (and too-permissive whitelists) can be bypassed. The last link to my paper shows situations where even quote escaping can be bypassed...
How to decorate a class?
...rgs, **kwargs):
pass
class FooMeta(type):
def __new__(cls, name, bases, attrs):
attrs['__init__'] = substitute_init
return super(FooMeta, cls).__new__(cls, name, bases, attrs)
class Foo(object):
__metaclass__ = FooMeta
def __init__(self, value1):
pass
R...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...solution here http://jakob.engbloms.se/archives/1403
c:\msysgit\bin>rebase.exe -b 0x50000000 msys-1.0.dll
For me solution was slightly different. It was
C:\Program Files (x86)\Git\bin>rebase.exe -b 0x50000000 msys-1.0.dll
Before you rebase dlls, you should make sure it is not in use:
...
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
...that the address of the array was saved in a register so it could optimize based upon that, but the debugger simply knew the address of a constant. Thus, before a statement MyArray[0] = 4; I could check the adddress of MyArray, and look at that location before and after the statement executed; it w...
SQL parser library for Java [closed]
...
Statement is a base class. A SELECT statement will be of type Query. It contains a QueryBody that has the subclass QuerySpecification. The structure is more complex than you might expect in order to support UNION, TABLE, VALUES, set operati...