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How to update SQLAlchemy row entry?
...re working on the user whose id == 6 and whose no_of_logins == 30 when you start.
# 1 (bad)
user.no_of_logins += 1
# result: UPDATE user SET no_of_logins = 31 WHERE user.id = 6
# 2 (bad)
user.no_of_logins = user.no_of_logins + 1
# result: UPDATE user SET no_of_logins = 31 WHERE user.id = 6
# 3 (b...
Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server
...on the FK helps. Find all employees and their company name with last name starting with A; index on the FK doesn't help. In other words, I'm not sure that "because you join on it you should index it" is good practise. Am I missing something?
– Paul
Oct 12 '1...
using extern template (C++11)
...y module which invokes the class template specialization. To prevent this, starting with C++0x, one could use the keyword extern in front of the class template specialization
#include <MyClass>
extern template class CMyClass<int>;
The explicit instantion of the template class should h...
Can I keep Nuget on the jQuery 1.9.x/1.x path (instead of upgrading to 2.x)?
...
I've actually started using the console way more after the jQuery versioning snafu (I'll call it that). Not the best solution, but +1.
– James Skemp
Jun 28 '13 at 21:54
...
What is the difference between exit() and abort()?
...ult behavior), the return code will be returned to the parent process that started your application.
See the following example:
SomeClassType someobject;
void myProgramIsTerminating1(void)
{
cout<<"exit function 1"<<endl;
}
void myProgramIsTerminating2(void)
{
cout<<"exit f...
What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?
...rently than *. Specifically:
$@ "[e]xpands to the positional parameters, starting from one. When the expansion occurs within double quotes, each parameter expands to a separate word."
In an array, "[i]f the word is double-quoted, ${name[*]} expands to a single word with the value of each array mem...
What, why or when it is better to choose cshtml vs aspx?
...
When I started writing that, Joel hadn't made his edit, but I'll leave it in case someone finds it helpful
– smartcaveman
Jun 6 '12 at 12:05
...
Is the “struct hack” technically undefined behavior?
...
It's too bad that C compilers started forbidding the declaration of zero-length arrays; were it not for that prohibition, many compilers wouldn't have had to do any special handling to make them work as they "should", but would still have been able to spe...
Preferred way of loading resources in Java
...Stream() will get from the class it is called on...
The class loader
The starting location
So if you do
this.getClass().getResource("foo.txt");
it will attempt to load foo.txt from the same package as the "this" class and with the class loader of the "this" class. If you put a "/" in front t...
Why is String immutable in Java?
...ady present in constant pool or not and if it is there, new reference will start pointing to the same object in SCP.
String a = "Naresh";
String b = "Naresh";
String c = "Naresh";
In above example string object with value Naresh will get created in SCP only once and all reference a, b, c will point...