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How can I merge two hashes without overwritten duplicate keys in Ruby?
...e able to get the gist.
Alternatively redefine the value of the key as an array so that hash1[key] returns the original value from hash1 and the value from hash2. Depends what you want your outcome to be really.
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Executing an EXE file using a PowerShell script
...
clone $args
push your args in new array
& $path $args
Demo:
$exePath = $env:NGINX_HOME + '/nginx.exe'
$myArgs = $args.Clone()
$myArgs += '-p'
$myArgs += $env:NGINX_HOME
& $exepath $myArgs
...
Getting DOM elements by classname
...on getElementsByClass(&$parentNode, $tagName, $className) {
$nodes=array();
$childNodeList = $parentNode->getElementsByTagName($tagName);
for ($i = 0; $i < $childNodeList->length; $i++) {
$temp = $childNodeList->item($i);
if (stripos($temp->getAttribut...
How do I mock an open used in a with statement (using the Mock framework in Python)?
...s, **kwargs)
return mm
m = MagicMock()
m.side_effect = save_arg_return_array_of_data
# if your open() call is in the file mymodule.animals
# use mymodule.animals as name_of_called_file
open_name = '%s.open' % name_of_called_file
with patch(open_name, m, create=True):
#do testing here
Ba...
How can I generate random alphanumeric strings?
...le.Repeat(chars, length)
.Select(s => s[random.Next(s.Length)]).ToArray());
}
(Note: The use of the Random class makes this unsuitable for anything security related, such as creating passwords or tokens. Use the RNGCryptoServiceProvider class if you need a strong random number generator.)...
Using reflect, how do you set the value of a struct field?
...dressable if it is an
element of a slice, an element of an
addressable array, a field of an
addressable struct, or the result of
dereferencing a pointer. If CanAddr
returns false, calling Addr will
panic.
The Go reflect package has a CanSet function, which, if true, implies that CanAdd...
What is the “assert” function?
...)
sum += x[ i ] * y[ i ];
return sum;
}
This tells de compiler the arrays are aligned on 32-bits boundaries, so the compiler can generate specific instructions made for that kind of alignment.
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Using multiple property files (via PropertyPlaceholderConfigurer) in multiple projects/modules
...esPlaceholderConfigurer bean has an alternative property called "propertiesArray". Use this instead of the "properties" property, and configure it with an <array> of property references.
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Warn user before leaving web page with unsaved changes
... Form Serialize function, this will collect all form inputs and save it in array. I guess this explain is enough :)
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How do I test which class an object is in Objective-C?
...an do with that object. For example, if a method returns a pointer to an NSArray object, you should not use this method to see if the array is mutable, as shown in the following code:
// DO NOT DO THIS!
if ([myArray isKindOfClass:[NSMutableArray class]])
{
// Modify the object
}
If you use su...