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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa
...ever could be NULL!
So, optimizing the query, LINQ
replaces it with "where 0 = 1", the
SQL equivalent of "never".
The same symptom will appear when the data types of a field does not match the data type in SQL, or if fields are missing, since LINQ will not be able to make sure the SQL data has not...
Which characters are valid in CSS class names/selectors?
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10 Answers
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Using the “start” command with parameters passed to the started program
I have a Virtual Machine in Virtual PC 2007.
12 Answers
12
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LINQ Aggregate algorithm explained
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1030
The easiest-to-understand definition of Aggregate is that it performs an operation on each ele...
Getting the class name from a static method in Java
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edited May 23 '17 at 12:10
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Getting HTTP code in PHP using curl
...of time:
if(!$url || !is_string($url) || ! preg_match('/^http(s)?:\/\/[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(\/.*)?$/i', $url)){
return false;
}
Make sure you only fetch the headers, not the body content:
@curl_setopt($ch, CURLOPT_HEADER , true); // we want headers
@curl_setopt($ch, CURLOPT_NO...
Accessing members of items in a JSONArray with Java
...Object(int), and JSONArray.length() to create your for-loop:
for (int i = 0; i < recs.length(); ++i) {
JSONObject rec = recs.getJSONObject(i);
int id = rec.getInt("id");
String loc = rec.getString("loc");
// ...
}
...
How to evaluate a math expression given in string form?
...criptEngine engine = mgr.getEngineByName("JavaScript");
String foo = "40+2";
System.out.println(engine.eval(foo));
}
}
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How can I restart a Java application?
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105
Of course it is possible to restart a Java application.
The following method shows a way to re...
REST Complex/Composite/Nested Resources [closed]
...ource (/comic-books/new), or get the form to edit a resource (/comic-books/0/edit), you are asking for a forms-specific representation of the resource. If you post it to the resource collection with content-type "application/x-www-form-urlencoded" or "multipart/form-data", you are asking the server ...