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Parsing boolean values with argparse
...to do --flag False or --other-flag True and then use some custom parser to convert the string to a boolean.. action='store_true' and action='store_false' are the best ways to use boolean flags
– kevlarr
Mar 20 '18 at 14:23
...
RecyclerView onClick
... the ViewHolder itself contains all information in regards to what data is selected when the element itself is clicked, then the only responsibility of the container is the display of N elements, rather than that of handling the selection of a specific i-th element out of the N elements. The ListVie...
How do I decode a URL parameter using C#?
...that contain a space use '+' but UnescapeDataString intentionally doesn't convert those to spaces). Uri handles more than just URL, as the question is asking about URL we should use HttpUtility.UrlDecode
– Lorenz03Tx
Aug 4 '17 at 21:37
...
Reading a delimited string into an array in Bash
...
In order to convert a string into an array, please use
arr=($line)
or
read -a arr <<< $line
It is crucial not to use quotes since this does the trick.
...
Maintain model of scope when changing between views in AngularJS
...ave a model. the model ONLY has data - no functions -. That way it can be converted back and forth from JSON to persist it. I used the html5 localstorage for persistence.
Lastly i used window.onbeforeunload and $rootScope.$broadcast('saveState'); to let all the services know that they should save...
How to connect to SQL Server database from JavaScript in the browser?
...onnectionstring);
var rs = new ActiveXObject("ADODB.Recordset");
rs.Open("SELECT * FROM table", connection);
rs.MoveFirst
while(!rs.eof)
{
document.write(rs.fields(1));
rs.movenext;
}
rs.close;
connection.close;
A better way to connect to a sql server would be to use some server side lang...
How do I build a graphical user interface in C++? [closed]
...ack to the operating system (usually with some kind of special "sleep" or "select" or "yield" function call)
then the yield function will return when the operating system is done, and you have another go around the loop.
There are plenty of resources about event based programming. If you have any ...
\d is less efficient than [0-9]
...ilder();
for(UInt16 i = 0; i < UInt16.MaxValue; i++)
{
string str = Convert.ToChar(i).ToString();
if (Regex.IsMatch(str, @"\d"))
sb.Append(str);
}
Console.WriteLine(sb.ToString());
Which generates:
0123456789٠١٢٣٤٥٦٧٨٩۰۱۲۳۴۵۶۷۸۹߀߁߂߃߄߅߆߇߈߉०१...
Difference between res.send and res.json in Express.js
... are identical when an object or array is passed, but res.json() will also convert non-objects, such as null and undefined, which are not valid JSON.
The method also uses the json replacer and json spaces application settings, so you can format JSON with more options. Those options are set like so:...
Python multiprocessing pool.map for multiple arguments
...freeze_support
def func(a, b):
print a, b
def func_star(a_b):
"""Convert `f([1,2])` to `f(1,2)` call."""
return func(*a_b)
def main():
pool = Pool()
a_args = [1,2,3]
second_arg = 1
pool.map(func_star, itertools.izip(a_args, itertools.repeat(second_arg)))
if __name__==...