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How to change the font on the TextView?
...efault is Droid Sans.
Second, to change to a different built-in font, use android:typeface in layout XML or setTypeface() in Java.
Third, there is no Helvetica font in Android. The built-in choices are Droid Sans (sans), Droid Sans Mono (monospace), and Droid Serif (serif). While you can bundle yo...
iOS JavaScript bridge
I'm working on an app where I'm going to use both HTML5 in UIWebView and native iOS framework together. I know that I can implement communication between JavaScript and Objective-C. Are there any libraries that simplify implementing this communication? I know that there are several libraries to crea...
How can I confirm a database is Oracle & what version it is using SQL?
... an application. The user gets to select a datasource they have configured and nominate what type of database it is. I want to confirm that the database type is indeed Oracle, and if possible, what version of Oracle they are running by sending a SQL statement to the datasource.
...
How can javascript upload a blob?
...n(data) {
console.log(data);
});
You need to use the FormData API and set the jQuery.ajax's processData and contentType to false.
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How can I echo HTML in PHP?
... separate from the coding (business logic). It also makes the code cleaner and easier to maintain in the long run.
If you have any more questions feel free to leave a comment.
Further reading is available on these things in the PHP documentation.
NOTE: PHP short tags <? and ?> are discouraged...
How to forward declare a C++ template class?
...n value }
...
};
Note that the default is in the forward declaration and not in the actual definition.
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Parsing XML with namespace in Python via 'ElementTree'
...is not too smart about namespaces. You need to give the .find(), findall() and iterfind() methods an explicit namespace dictionary. This is not documented very well:
namespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes are onl...
Why doesn't Dijkstra's algorithm work for negative weight edges?
...
Recall that in Dijkstra's algorithm, once a vertex is marked as "closed" (and out of the open set) - the algorithm found the shortest path to it, and will never have to develop this node again - it assumes the path developed to this path is the shortest.
But with negative weights - it might not be...
CSS border less than 1px [duplicate]
...ay also be used to simulate the same effect, without the need to calculate and manipulate RGB values.
.container {
border-style: solid;
border-width: 1px;
margin-bottom: 10px;
}
.border-100 { border-color: rgba(0,0,255,1); }
.border-75 { border-color: rgba(0,0,255,0.75); }
.border-50 {...
Why should I use the keyword “final” on a method parameter in Java?
I can't understand where the final keyword is really handy when it is used on method parameters.
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