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How to convert Set to Array?
...y good way to get properties, except for generator [Set].values, which is called in an awkward way of mySet.values.next() .
...
Java FileOutputStream Create File if not exists
Is there a way to use FileOutputStream in a way that if a file (String filename) does not exist, then it will create it?
9 ...
django-debug-toolbar not showing up
... to settings.py:
def show_toolbar(request):
return True
SHOW_TOOLBAR_CALLBACK = show_toolbar
That will effectively remove all checks by debug toolbar to determine if it should or should not load itself; it will always just load. Only leave that in for testing purposes, if you forget and launc...
Auto Scale TextView Text to Fit within Bounds
...extView textView, float oldSize, float newSize);
}
// Our ellipse string
private static final String mEllipsis = "...";
// Registered resize listener
private OnTextResizeListener mTextResizeListener;
// Flag for text and/or size changes to force a resize
private boolea...
Can't connect to localhost on SQL Server Express 2012 / 2016
...ify your SQL Server connection authentication mode matches your connection string:
If you're connecting using a username and password, you need to configure SQL Server to accept "SQL Server Authentication Mode":
-- YOU MUST RESTART YOUR SQL SERVER AFTER RUNNING THIS!
USE [master]
GO
DECLARE @SqlS...
How to create war files
...>
</webinf>
</war>
</target>
Deploy
Finally, you can set up a task to deploy the WAR directly into your Tomcat deploy location:
<target name="deploy">
<copy file="My.war" todir="${tomcat.deploydir}" />
</target>
Click and go!
Once all thi...
Functional style of Java 8's Optional.ifPresent and if-not-Present?
...b")).ifPresent(this::print);
map() - transform value if present
opt.map(String::trim).filter(t -> t.length() > 1).ifPresent(this::print);
orElse()/orElseGet() - turning empty Optional to default T
int len = opt.map(String::length).orElse(-1);
int len = opt.
map(String::length).
o...
invalid_grant trying to get oAuth token from google
...untered the same problem. For me, I fixed this by using Email Address (the string that ends with ...@developer.gserviceaccount.com) instead of Client ID for client_id parameter value. The naming set by Google is confusing here.
...
LINQ with groupby and count
...ready have a list/array of some class that looks like
class UserInfo {
string name;
int metric;
..etc..
}
...
List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then gr...
Parser for C#
...blies:
var cp = new Microsoft.CSharp.CSharpCodeProvider(new Dictionary<string, string>() { { "CompilerVersion", "v3.5" } });
http://msdn.microsoft.com/en-us/library/microsoft.csharp.csharpcodeprovider.aspx
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