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How to use ScrollView in Android?
...
Just make the top-level layout a ScrollView:
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fillViewport="true">
<TableLayout
androi...
LINQ - Full Outer Join
...take a left outer join and right outer join then take the union of the results.
var firstNames = new[]
{
new { ID = 1, Name = "John" },
new { ID = 2, Name = "Sue" },
};
var lastNames = new[]
{
new { ID = 1, Name = "Doe" },
new { ID = 3, Name = "Smith" },
};
var leftOuterJoin =
f...
How can I use Spring Security without sessions?
.... If you're using namespace configuration, you can simply do as follows:
<http create-session="never">
<!-- config -->
</http>
Or you could configure the SecurityContextRepository as null, and nothing would ever get saved that way as well.
...
What are some uses of template template parameters?
...ose type is a template dependent on another template like this:
template <template<class> class H, class S>
void f(const H<S> &value) {
}
Here, H is a template, but I wanted this function to deal with all specializations of H.
NOTE: I've been programming c++ for many years ...
How do you log server errors on django sites
...
I just had an annoying problem with my fcgi script. It occurred before django even started. The lack of logging is sooo painful. Anyway, redirecting stderr to a file as the very first thing helped a lot:
#!/home/user/env/bin/python
sys.stderr = open('/home/user/fcgi_e...
What is the difference between :first-child and :first-of-type?
...
A parent element can have one or more child elements:
<div class="parent">
<div>Child</div>
<div>Child</div>
<div>Child</div>
<div>Child</div>
</div>
Among these children, only one of them can be the first. Thi...
Make a div fill up the remaining width
...
Try out something like this:
<style>
#divMain { width: 500px; }
#left-div { width: 100px; float: left; background-color: #fcc; }
#middle-div { margin-left: 100px; margin-right: 100px; background-color: #cfc; }
#right-div { width: 100...
How to work around the stricter Java 8 Javadoc when using Maven
You'll quickly realize that JDK8 is a lot more strict (by default) when it comes to Javadoc. ( link - see last bullet point)
...
Can't execute jar- file: “no main manifest attribute”
...the following command will do: (tks @dvvrt)
jar cmvf META-INF/MANIFEST.MF <new-jar-filename>.jar <files to include>
For Maven, something like the following snippet should do the trick. Note that this is only the plugin definition, not the full pom.xml:
<build>
<plugins>
...
PHP: exceptions vs errors?
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Errors are generally unrecoverable <-- actually, this isn't really true. E_ERROR and E_PARSE are the two most common unrecoverable errors (there are a couple of others) but the vast majority of errors you'll see in dev are recoverable (E_NOTICE, E_WARNING et...