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Interpolating a string into a regex
I need to substitute the value of a string into my regular expression in Ruby. Is there an easy way to do this? For example:
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
... System.UInt32 pBC,
[MarshalAs(UnmanagedType.LPStr)] System.String pwzUrl,
[MarshalAs(UnmanagedType.LPArray)] byte[] pBuffer,
System.UInt32 cbSize,
[MarshalAs(UnmanagedType.LPStr)] System.String pwzMimeProposed,
System.UInt32 dwMimeFlags,
out Sy...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...taking user input and escaping any single quotes and surrounding the whole string with single quotes. Here's the code:
18 A...
Avoiding SQL injection without parameters
...nstead they want to replace single apostrophes with two apostrophes in all strings to avoid sql injections. Our databases are all running Sql Server 2005 or 2008 and our code base is running on .NET framework 2.0.
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Get type of all variables
...le numeric with L postfixed: integer
typeof("foobar") #A single string in double quotes: character
typeof(1) #a single numeric: double
typeof(list(5,6,7)) #a list of numeric: list
typeof(2i) #an imaginary number ...
RegEx for Javascript to allow only alphanumeric
...ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Checking for an empty field with MySQL
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An empty field can be either an empty string or a NULL.
To handle both, use:
email > ''
which can benefit from the range access if you have lots of empty email record (both types) in your table.
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Manually map column names with class properties
... _mappers = mappers;
}
public SqlMapper.IMemberMap GetMember(string columnName)
{
foreach (var mapper in _mappers)
{
try
{
var result = mapper.GetMember(columnName);
if (result != null)
{
...
How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?
... milliseconds of the current moment in Java? I would like to have them as Strings .
9 Answers
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Difference between __str__ and __repr__?
...oh I don't know, containing just 4 elements]
Not very. Specifically, the strings in a container would find it way too easy to disturb its string representation. In the face of ambiguity, remember, Python resists the temptation to guess. If you want the above behavior when you’re printing a list,...