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How to exclude a directory in find . command
...his command: sudo sh -c "free && sync && echo 3 > /proc/sys/vm/drop_caches && free" to clear the cache (see unix.stackexchange.com/questions/87908/…).
– ndemou
Nov 19 '14 at 9:40
...
Equivalent to 'app.config' for a library (DLL)
...
public static T Setting<T>(string name)
{
return (T)Convert.ChangeType(AppSettings.Settings[name].Value, typeof(T), nfi);
}
}
App.Config file sample
<add key="Enabled" value="true" />
<add key="ExportPath" value="c:\" />
<add key="Seconds" value="25" />...
parseInt(null, 24) === 23… wait, what?
...
It's converting null to the string "null" and trying to convert it. For radixes 0 through 23, there are no numerals it can convert, so it returns NaN. At 24, "n", the 14th letter, is added to the numeral system. At 31, "u", the 21...
what does the __file__ variable mean/do?
...e “path” to the file unless the module is built-in (and thus listed in sys.builtin_module_names) in which case the attribute is not set.
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How to do a join in linq to sql with method syntax?
... select new { SomeClass = sc, SomeOtherClass = soc }
would be converted into something like this:
var result = enumerableOfSomeClass
.Join(enumerableOfSomeOtherClass,
sc => sc.Property1,
soc => soc.Property2,
(sc, soc) => new { sc, soc })
...
How to delete a character from a string using Python
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Strings are immutable. But you can convert them to a list, which is mutable, and then convert the list back to a string after you've changed it.
s = "this is a string"
l = list(s) # convert to list
l[1] = "" # "delete" letter h (the item actually still ...
What is a regular expression which will match a valid domain name without a subdomain?
...--c6h.com/ pass the validation.
Note, to use this regex, you will need to convert the domain to lower case, and also use an IDN library to ensure you encode domain names to ACE (also known as "ASCII Compatible Encoding"). One good library is GNU-Libidn.
idn(1) is the command line interface to the ...
Compare two objects' properties to find differences?
... How to get the difference of two sets?
The fastest way I've found is to convert the sets to dictionaries first, then diff 'em. Here's a generic approach:
static IEnumerable<T> DictionaryDiff<K, T>(Dictionary<K, T> d1, Dictionary<K, T> d2)
{
return from x in d1 where...
List of tables, db schema, dump etc using the Python sqlite3 API
... answered Nov 20 '08 at 15:26
converter42converter42
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...
How can you strip non-ASCII characters from a string? (in C#)
...= "Räksmörgås";
string asAscii = Encoding.ASCII.GetString(
Encoding.Convert(
Encoding.UTF8,
Encoding.GetEncoding(
Encoding.ASCII.EncodingName,
new EncoderReplacementFallback(string.Empty),
new DecoderExceptionFallback()
),
...