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Best way to give a variable a default value (simulate Perl ||, ||= )
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In PHP 7 we finally have a way to do this elegantly. It is called the Null coalescing operator. You can use it like this:
$name = $_GET['name'] ?? 'john doe';
This is equivalent to
$name = isset($_GET['name']) ? $_GET['name']:'john doe'...
How to find if a native DLL file is compiled as x64 or x86?
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You can use DUMPBIN too. Use the /headers or /all flag and its the first file header listed.
dumpbin /headers cv210.dll
64-bit
Microsoft (R) COFF/PE Dumper Version 10.00.30319.01
Copyright (C) Microsoft Corporation. All rights reserved.
Dump of file cv210.dll
PE ...
Can I use require(“path”).join to safely concatenate urls?
... takes any number. So depending on what you're doing you may need to nest calls, eg.. url.resolve(url.resolve(SERVER_URL, pagePath), queryString)
– Molomby
Aug 23 '19 at 0:31
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Batch file to delete files older than N days
I am looking for a way to delete all files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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Overloading Macro on Number of Arguments
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Simple as:
#define GET_MACRO(_1,_2,_3,NAME,...) NAME
#define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2)(__VA_ARGS__)
So if you have these macros:
FOO(World, !) # expands to FOO2(World, !)
FOO(foo,bar,baz) # expands to FOO3(foo,bar...
PHP mail function doesn't complete sending of e-mail
... one you need to run through the checklist below to find any potential pitfalls you may be encountering.
Make sure error reporting is enabled and set to report all errors
Error reporting is essential to rooting out bugs in your code and general errors that PHP encounters. Error reporting needs to ...
How to call another controller Action From a controller in Mvc
I need to call a controller B action FileUploadMsgView from Controller A and need to pass a parameter for it.
10 Answers
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Command to remove all npm modules globally?
Is there a command to remove all global npm modules? If not, what do you suggest?
24 Answers
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What is the easiest way in C# to trim a newline off of a string?
...impression \n was not a white space but it is and .TrimEnd and .Trim clear all white space characters natively
– David Carrigan
May 13 '15 at 20:46
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Getting attributes of a class
...gt;> inspect.getmembers(MyClass, lambda a:not(inspect.isroutine(a)))
[('__class__', type),
('__dict__',
<dictproxy {'__dict__': <attribute '__dict__' of 'MyClass' objects>,
'__doc__': None,
'__module__': '__main__',
'__weakref__': <attribute '__weakref__' of 'MyClass' obje...