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Environment variable substitution in sed
... What if the string contains a \ followed by an n - how to stop sed from converting that into a single newline character?
– Max Waterman
Jul 24 at 9:58
add a comment
...
Java Pass Method as Parameter
... of Java 8, lambda expressions are a nice solution as other answers have pointed out. The answer below was written for Java 7 and earlier...
Take a look at the command pattern.
// NOTE: code not tested, but I believe this is valid java...
public class CommandExample
{
public interface Comma...
Way to get all alphabetic chars in an array in PHP?
...ith Unicode characters. But it's good otherwise. I don't know if one could convert characters to integers and then the opposite to bypass this problem...
– NoOne
Jan 23 '16 at 11:24
...
What is the meaning of “__attribute__((packed, aligned(4))) ”
... Consider the following structure:
typedef struct
{
char Data1;
int Data2;
unsigned short Data3;
char Data4;
}sSampleStruct;
sizeof(sSampleStruct) will be 12 rather than 8. Because of structure padding. By default, In X86, structures will be padded to 4-byte alignment:
type...
Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
I am fairly new to MySQL and I am getting a pretty interesting error on which I cannot find any help via google and the stackoverflow search.
...
Union Vs Concat in Linq
...tems), then items will not be compared by reference:
class X
{
public int ID { get; set; }
public override bool Equals(object obj)
{
X x = obj as X;
if (x == null)
return false;
return x.ID == ID;
}
public override int GetHashCode()
{
...
python design patterns [closed]
...sentation."
return "<Null>"
def __str__(self):
"Convert to a string and return it."
return "Null"
With this, if you do Null("any", "params", "you", "want").attribute_that_doesnt_exists() it won't explode, but just silently become the equivalent of pass.
Normally...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...w can I implement this ? I tried on my own, but can't find how to properly convert this to a helper. thank you.
– Jonathan Lafleur
Sep 23 at 19:40
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...
How to forward declare a C++ template class?
...ce the class you must include all of its arguments until the definition is introduced.
eg. Let's use std::vector without including it (the second argument of std::vector is defined with a default):
namespace std
{
template<typename, typename>
class vector;
}
#include <iostream>
...
C++ wait for user input [duplicate]
...tem("pause") (need #include <iostream>).
PS: This method will also print Press any key to continue . . . on the screen. (seems perfect choice for you :))
Edit: As discussed here, There is no completely portable solution for this. Question 19.1 of the comp.lang.c FAQ covers this in some dept...