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Git search for string in a single file's history
...g method called bar , so I want to search the history of foo.rb for the string bar to see if it was ever defined in the past.
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Convert Go map to json
I tried to convert my Go map to a json string with encoding/json Marshal, but it resulted in a empty string.
3 Answers
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ASP.NET MVC - Find Absolute Path to the App_Data folder from Controller
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ASP.NET MVC1 -> MVC3
string path = HttpContext.Current.Server.MapPath("~/App_Data/somedata.xml");
ASP.NET MVC4
string path = Server.MapPath("~/App_Data/somedata.xml");
MSDN Reference:
HttpServerUtility.MapPath Method
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Inserting a Python datetime.datetime object into MySQL
...t rather than a DateTime.
If that doesn't work, then converting that to a string should work:
now = datetime.datetime(2009,5,5)
str_now = now.date().isoformat()
cursor.execute('INSERT INTO table (name, id, datecolumn) VALUES (%s,%s,%s)', ('name',4,str_now))
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How to urlencode a querystring in Python?
I am trying to urlencode this string before I submit.
13 Answers
13
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How to remove all null elements from a ArrayList or String Array?
... It creates Mutable copy and will not throw any exception.
public static String[] clean(final String[] v) {
List<String> list = new ArrayList<String>(Arrays.asList(v));
list.removeAll(Collections.singleton(null));
return list.toArray(new String[list.size()]);
}
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C# Java HashMap equivalent
...xer. It goes like this :
public class NullableDictionnary : Dictionary<string, string>
{
string null_value;
public StringDictionary this[string key]
{
get
{
if (key == null)
{
return null_value;
}
re...
Automatically create an Enum based on values in a database lookup table?
...t billfredtom's reasoning is, but mine was that I could avoid doing manual string-lookups for certain keys, instead having them built into my code. I just prefer to be able to perform logic on strongly-typed values instead of weak strings. A caveat would be that, since we now have code that relies ...
How do I format a date with Dart?
I have an instance of DateTime and I would like to format that to a String. How do I do that? I want to turn the date into a string, something like "2013-04-20".
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How to delete an item in a list if it exists?
...pty items (in fact items where bool(item) == False, like None, zero, empty strings or other empty collections), you can pass None as the first argument:
cleaned_list = filter(None, some_list)
[update]: in Python 2.x, filter(function, iterable) used to be equivalent to [item for item in iterable ...