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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to
... and suggestions for how to deal with them.
$username = mysql_real_escape_string($_POST['username']);
$password = $_POST['password'];
$result = mysql_query("SELECT * FROM Users WHERE UserName LIKE '$username'");
if($result === FALSE) {
die(mysql_error()); // TODO: better error handling
}
whi...
Different bash prompt for different vi editing mode?
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Bash 4.4 / Readline 7.0 will add support for user-settable mode strings.
You can try the beta versions, but they seem a bit buggy at the moment. They also don't yet support specifying where in the prompt you want the mode indicator to occur (which I think is the killer feature).
If you ...
Split a string at uppercase letters
What is the pythonic way to split a string before the occurrences of a given set of characters?
16 Answers
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How to evaluate a math expression given in string form?
I'm trying to write a Java routine to evaluate math expressions from String values like:
25 Answers
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Jackson: how to prevent field serialization
... This answer previously suggested using transient (as in private transient String password;) but transient fields with public getters are ignored unless MapperFeature.PROPAGATE_TRANSIENT_MARKER is enabled.
– tom
Oct 11 '17 at 22:58
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Composite Key with EF 4.1 Code First
...der = 1)]
[Required(ErrorMessage = "A ActivityName is required")]
[StringLength(50, ErrorMessage = "Activity Name must not exceed 50 characters")]
public string ActivityName { get; set; }
}
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How can I generate an MD5 hash?
Is there any method to generate MD5 hash of a string in Java?
34 Answers
34
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Update all values of a column to lowercase
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See http://dev.mysql.com/doc/refman/5.0/en/string-functions.html#function_lower
UPDATE table_name SET tag = LOWER(tag)
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How do I check if a property exists on a dynamic anonymous type in c#?
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public static bool IsPropertyExist(dynamic settings, string name)
{
if (settings is ExpandoObject)
return ((IDictionary<string, object>)settings).ContainsKey(name);
return settings.GetType().GetProperty(name) != null;
}
var settings = new {Filename =...
What does -z mean in Bash? [duplicate]
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-z string True if the string is null (an empty string)
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