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What linux shell command returns a part of a string? [duplicate]
...
From the bash manpage:
${parameter:offset}
${parameter:offset:length}
Substring Expansion. Expands to up to length characters of
parameter starting at the character specified by offset.
[...]
Or, if you are not sure of ha...
Overloading Macro on Number of Arguments
... To fix this, add an unused argument (or even just a comma) after the last param in the definition of FOO(...): #define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2, UNUSED)(__VA_ARGS__) (See it run on Coliru).
– metal
Apr 12 '17 at 12:26
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How can I get PHPUnit MockObjects to return different values based on a parameter?
... $this->returnValueMap(
array(
array('firstparam', 'secondparam', 'retval'),
array('modes', 'foo', array('Array', 'of', 'modes'))
)
)
);
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How can I remove a key and its value from an associative array?
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return array_diff_key($array, array_flip((array) $keys));
}
First param pass all array, second param set array of keys to remove.
For example:
$array = [
'color' => 'red',
'age' => '130',
'fixed' => true
];
$output = array_except($array, ['color', 'fixed']);
// $out...
What are the disadvantages to declaring Scala case classes?
...u need it
Getters automatically defined
Possible in any class by prefixing params with val
Decent toString() implementation
Yes, very useful, but doable by hand on any class if necessary
Compliant equals() and hashCode()
Combined with easy pattern-matching, this is the main reason that people use ca...
EF Code First: How do I see 'EntityValidationErrors' property from the nuget package console?
...alidation Messages to the generated exception
/// </summary>
/// <param name="context">The context.</param>
private void SaveChanges(DbContext context) {
try {
context.SaveChanges();
} catch (DbEntityValidationException ex) {
StringBuilder sb = new StringBui...
Embedding unmanaged dll into a managed C# dll
...resources to temporary folder
/// </summary>
/// <param name="dllName">name of DLL file to create (including dll suffix)</param>
/// <param name="resourceBytes">The resource name (fully qualified)</param>
public static void ExtractEmbedde...
Call a function after previous function is complete
... }
else {
doThis(someVariable);
}
});
function function1(param, callback) {
...do stuff
callback();
}
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GridLayout (not GridView) how to stretch all children evenly
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You can set width of every child dynamically:
GridLayout.LayoutParams params = (GridLayout.LayoutParams) child.getLayoutParams();
params.width = (parent.getWidth()/parent.getColumnCount()) -params.rightMargin - params.leftMargin;
child.setLayoutParams(params);
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Custom HTTP Authorization Header
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The format defined in RFC2617 is credentials = auth-scheme #auth-param. So, in agreeing with fumanchu, I think the corrected authorization scheme would look like
Authorization: FIRE-TOKEN apikey="0PN5J17HBGZHT7JJ3X82", hash="frJIUN8DYpKDtOLCwo//yllqDzg="
Where FIRE-TOKEN is the scheme a...