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Rails: How does the respond_to block work?
...me of the answers I found here. This may or may not help someone.
respond_to is a method on the superclass ActionController.
it takes a block, which is like a delegate. The block is from do until end, with |format| as an argument to the block.
respond_to executes your block, passing a Responder in...
Type.GetType(“namespace.a.b.ClassName”) returns null
...Is this a 'trick' or an actual method? I can't find this in documentation -_- . By the way, it ends my 1 week suffer! thanks
– DnR
Dec 29 '14 at 2:41
1
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Any way to write a Windows .bat file to kill processes? [closed]
...and is limited to 18 characters.
Another option is WMIC :
wmic Path win32_process Where "Caption Like 'MyProcess%.exe'" Call Terminate
wmic offer even more flexibility than taskkill with its SQL-like matchers .With wmic Path win32_process get you can see the available fileds you can filter (and ...
Creating instance of type without default constructor in C# using reflection
...work. Here is a solution that will work on CF.Net...
class Test
{
int _myInt;
public Test(int myInt)
{
_myInt = myInt;
}
public override string ToString()
{
return "My int = " + _myInt.ToString();
}
}
class Program
{
static void Main(string[] args)...
Reset auto increment counter in postgres
... column, then the sequence is not simply called product, but rather product_id_seq (that is, ${table}_${column}_seq).
This is the ALTER SEQUENCE command you need:
ALTER SEQUENCE product_id_seq RESTART WITH 1453
You can see the sequences in your database using the \ds command in psql. If you do \...
Regex, every non-alphanumeric character except white space or colon
...
No alphanumeric, white space or '_'.
var reg = /[^\w\s)]|[_]/g;
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Get current time as formatted string in Go?
...4:05 MST 2006"
userTimeString := "Fri Dec 6 13:05:05 CET 2019"
t, _ := time.Parse(layout, userTimeString)
fmt.Println("Server: ", t.Format(time.RFC850))
//Server: Friday, 06-Dec-19 13:05:05 CET
mumbai, _ := time.LoadLocation("Asia/Kolkata")
mumbaiTime := t.In(mumbai)
f...
Setting variable to NULL after free
... only not best practice, it's wrong. For example: foo* bar=getFoo(); /*more_code*/ free(bar); /*more_code*/ return bar != NULL;. Here, setting bar to NULL after the call to free will cause the function to think it never had a bar and return the wrong value!
– David Schwartz
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Counter increment in Bash loop not working
...COUNTER=$((COUNTER + 1)) it worked. GNU bash, version 4.1.2(1)-release (x86_64-redhat-linux-gnu)
– Steven Lu
Nov 29 '13 at 1:13
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Why have header files and .cpp files? [closed]
...e the main reason for existence of HPP files is explained above.
#ifndef B_HPP_
#define B_HPP_
// The declarations in the B.hpp file
#endif // B_HPP_
or even simpler
#pragma once
// The declarations in the B.hpp file
...