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What is the purpose of “return await” in C#?
Is there any scenario where writing method like this:
7 Answers
7
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Why do access tokens expire?
...I am given a "refresh token" and a short lived "access token". Now every time the access token expires, I can POST my refresh token to Google and they will give me a new access token.
...
Visual Studio - Resx File default 'internal' to 'public'
Every time I edit a resource file in VS, it regenerates the corresponding code and sets the class access modifier to internal.
It's a pain to Ctrl-F -> ReplaceAll every time I edit the resx. Is there a property/setting so that I can default this to public?
...
How to hide action bar before activity is created, and then show it again?
I need to implement splash screen in my honeycomb app.
I use this code in activity's onCreate to show splash:
27 Answers
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How to properly import a selfsigned certificate into Java keystore that is available to all Java app
...ou with this or you can use: System.out.println(System.getProperty("java.home"));
Copy the file JAVA_HOME\lib\security\cacerts to another folder.
In Portecle click File > Open Keystore File
Select the cacerts file
Enter this password: changeit
Click Tools > Import Trusted Certificate
Browse fo...
Java and SQLite [closed]
...
The wiki lists some more wrappers:
Java wrapper (around a SWIG interface): http://tk-software.home.comcast.net/
A good tutorial to use JDBC driver for SQLite. (it works at least !) http://www.ci.uchicago.edu/wiki/bin/view/VDS/VDSDevelopment...
Join/Where with LINQ and Lambda
...ot errors:
var id = 1;
var query =
from post in database.Posts
join meta in database.Post_Metas on post.ID equals meta.Post_ID
where post.ID == id
select new { Post = post, Meta = meta };
If you're really stuck on using lambdas though, your syntax is quite a bit off. Here's the same q...
must appear in the GROUP BY clause or be used in an aggregate function
...with itself to get the additional columns you'd need to show:
SELECT m.cname, m.wmname, t.mx
FROM (
SELECT cname, MAX(avg) AS mx
FROM makerar
GROUP BY cname
) t JOIN makerar m ON m.cname = t.cname AND t.mx = m.avg
;
cname | wmname | mx
--------+--------+------...
Painless way to install a new version of R?
Andrew Gelman recently lamented the lack of an easy upgrade process for R (probably more relevant on Windows than Linux). Does anyone have a good trick for doing the upgrade, from installing the software to copying all the settings/packages over?
...
Practical uses for AtomicInteger
...
There are two main uses of AtomicInteger:
As an atomic counter (incrementAndGet(), etc) that can be used by many threads concurrently
As a primitive that supports compare-and-swap instruction (compareAndSet()) to implement non-blocking algorithms.
Here is an example of non-blocking random nu...