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Cannot instantiate the type List [duplicate]
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Matt BallMatt Ball
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What is the best workaround for the WCF client `using` block issue?
I like instantiating my WCF service clients within a using block as it's pretty much the standard way to use resources that implement IDisposable :
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How to make child process die after parent exits?
...n the parent process exits for whatever reason (normally or abnormally, by kill, ^C, assert failure or anything else) I want the child process to die. How to do that correctly?
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How are virtual functions and vtable implemented?
We all know what virtual functions are in C++, but how are they implemented at a deep level?
12 Answers
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Start an Activity with a parameter
...stActivity.this, SecondActivity.class);
Bundle b = new Bundle();
b.putInt("key", 1); //Your id
intent.putExtras(b); //Put your id to your next Intent
startActivity(intent);
finish();
Then grab the id in your new Activity:
Bundle b = getIntent().getExtras();
int value = -1; // or other values
if(b...
Best practices for in-app database migration for Sqlite
...and migrate old databases to the new schema and here's what I do:
For tracking the database version, I use the built in user-version variable that sqlite provides (sqlite does nothing with this variable, you are free to use it however you please). It starts at 0, and you can get/set this variable ...
Relative URLs in WordPress
I've always found it frustrating in WordPress that images, files, links, etc. are inserted into WordPress with an absolute URL instead of relative URL. A relative url is much more convenient for switching domain names, changing between http and https etc. Today I discovered that if you define WP_CON...
How can I position my div at the bottom of its container?
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Likely not.
Assign position:relative to #container, and then position:absolute; bottom:0; to #copyright.
#container {
position: relative;
}
#copyright {
position: absolute;
bottom: 0;
}
<div id="co...
Restful way for deleting a bunch of items
In wiki article for REST
it is indicated that if you use http://example.com/resources DELETE, that means you are deleting the entire collection.
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wildcard * in CSS for classes
...r-" occurring directly after a space character.
Demo: http://jsfiddle.net/K3693/1/
More information on CSS attribute selectors, you can find here and here.
And from MDN Docs MDN Docs
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