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Count Rows in Doctrine QueryBuilder
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He accepted your answer so I guess all is well. I was under the impression that he only wanted a count without the overhead of actually retrieving the rows which my example shows. There is of course no reason why where conditions could not be added.
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How to list all users in a Linux group?
How do I list all members of a group in Linux (and possibly other unices)?
20 Answers
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JQuery: How to call RESIZE event only once it's FINISHED resizing?
How do I call a function once the browser windows has FINISHED resizing?
8 Answers
8
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Convert.ChangeType() fails on Nullable Types
I want to convert a string to an object property value, whose name I have as a string. I am trying to do this like so:
6 An...
Difference between Divide and Conquer Algo and Dynamic Programming
...d only once and the result of each sub-problem is stored in a table ( generally implemented as an array or a hash table) for future references. These sub-solutions may be used to obtain the original solution and the technique of storing the sub-problem solutions is known as memoization.
You may thi...
Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property'...
How do you enable the escape key close functionality in a Twitter Bootstrap modal?
I followed the instructions for the Twitter Bootstrap modal on their main documentation page and used the data-keyboard="true" syntax mentioned but the escape key does not close the modal window. Is there something else I'm missing?
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Why dict.get(key) instead of dict[key]?
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It allows you to provide a default value if the key is missing:
dictionary.get("bogus", default_value)
returns default_value (whatever you choose it to be), whereas
dictionary["bogus"]
would raise a KeyError.
If omitted...
Cannot use ref or out parameter in lambda expressions
...e visible on the ref parameter itself. Both within the method and in the caller.
These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions.
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Android: How to put an Enum in a Bundle?
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Enums are Serializable so there is no issue.
Given the following enum:
enum YourEnum {
TYPE1,
TYPE2
}
Bundle:
// put
bundle.putSerializable("key", YourEnum.TYPE1);
// get
YourEnum yourenum = (YourEnum) bundle.get("key");
Intent:
// put
intent.putExtra("key", yourEnu...