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What is the difference between char * const and const char *?
... changed).
Note:
The following two forms are equivalent:
const char *
and
char const *
The exact reason for this is described in the C++ standard, but it's important to note and avoid the confusion. I know several coding standards that prefer:
char const
over
const char
(with or withou...
In bash, how does one clear the current input?
Suppose in bash you start writing a command like:
11 Answers
11
...
How to include PHP files that require an absolute path?
...d do:
include dirname(__FILE__).'/../inc/include.php';
The full path and filename of the
file. If used inside an include, the
name of the included file is returned.
Since PHP 4.0.2, __FILE__ always
contains an absolute path with
symlinks resolved whereas in older
versions it contai...
Strtotime() doesn't work with dd/mm/YYYY format
...
@Web Logic i can't anderstand the default format of strtotime() function, if i write strtotimr('01-01-2010'), it understand it as dd-mm-YYYY or mm-dd-YYYY format?
– Simon
May 23 '10 at 13:52
...
Spring get current ApplicationContext
... to avoid @Autowired due to some issues. Here is the link spring.io/understanding/application-context. The best option is to go with implementing the ApplicationContextAware interface.
– Durja Arai
Dec 24 '18 at 4:09
...
Is the C# static constructor thread safe?
.... https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/static-constructors
The implementation shown is thread safe for the initial construction, that is, no locking or null testing is required for constructing the Singleton object. However, this does not mean that an...
How to check whether an object is a date?
...rator, i.e. But it will return true for invalid dates too, e.g. new Date('random_string') is also instance of Date
date instanceof Date
This will fail if objects are passed across frame boundaries.
A work-around for this is to check the object's class via
Object.prototype.toString.call(date) ==...
Can you connect to Amazon ElastiСache Redis outside of Amazon?
... the case? The docs no longer say this - they claim redis is governed by standard security group policies, but I still can't get access to my redis node despite that. Strike that. Ref just moved: Amazon ElastiCache Nodes, deployed within a VPC, can never be accessed from the Internet or from EC2 Ins...
jQuery Ajax error handling, show custom exception messages
...
This is still the correct way of doing this after 2 years and a half... :) I went a little further and actually return my own error JSON object that can handle single or multiple errors, quite good for server-side form validation.
– AlexCode
Ju...
How to comment lines in rails html.erb files? [duplicate]
...newbie to rails ,
please let me know the way to comment out a single line and also to comment out
a block of lines in *.html.erb files.
...