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How do I invert BooleanToVisibilityConverter?
... }
if (parameter != null)
{
if (bool.Parse((string)parameter))
{
flag = !flag;
}
}
if (flag)
{
return Visibility.Visible;
}
else
{
return Visibility.Collapse...
How to invoke the super constructor in Python?
In all other languages I've worked with the super constructor is invoked implicitly. How does one invoke it in Python? I would expect super(self) but this doesn't work.
...
How to convert JSON to CSV format and store in a variable
...ap(function(row){
return fields.map(function(fieldName){
return JSON.stringify(row[fieldName], replacer)
}).join(',')
})
csv.unshift(fields.join(',')) // add header column
csv = csv.join('\r\n');
console.log(csv)
Output:
title,description,link,timestamp,image,embed,language,user,user_ima...
Does Java SE 8 have Pairs or Tuples?
...ecord CountForIndex(int index, long count) {}
public static void main(String[] args) {
boolean [][] directed_acyclic_graph = new boolean[][]{
{false, true, false, true, false, true},
{false, false, false, true, false, true},
{false, f...
How to create the most compact mapping n → isprime(n) up to a limit N?
Naturally, for bool isprime(number) there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could rep...
Convert a python UTC datetime to a local datetime using only python standard library?
...d. Given that dateutil might fail on both Unix and Windows. btw, you could extract utctotimestamp(utc_dt) -> (seconds, microseconds) from your code for clarity, see Python 2.6-3.x implementation
– jfs
Oct 28 '12 at 20:08
...
How to manually create icns files using iconutil?
...following instructions (link):
Use iconutil to Create an icns File Manually
The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool al...
When to use a linked list over an array/array list?
...
To add to the other answers, most array list implementations reserve extra capacity at the end of the list so that new elements can be added to the end of the list in O(1) time. When the capacity of an array list is exceeded, a new, larger array is allocated internally, and all the old element...
Accessing Session Using ASP.NET Web API
...w):
WebApiConfig.cs
public static class WebApiConfig
{
public static string UrlPrefix { get { return "api"; } }
public static string UrlPrefixRelative { get { return "~/api"; } }
public static void Register(HttpConfiguration config)
{
config.Routes.MapHttpRoute(
...
MySQL DROP all tables, ignoring foreign keys
Is there a nice easy way to drop all tables from a MySQL database, ignoring any foreign key constraints that may be in there?
...