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How do I write data into CSV format as string (not file)?
...Dummy_Writer:
This module implements a file-like class, StringIO, that reads and writes a string buffer (also known as memory files).
There is also cStringIO, which is a faster version of the StringIO class.
share
...
Examples of GoF Design Patterns in Java's core libraries
....Collections#list()
java.util.Collections#enumeration()
java.io.InputStreamReader(InputStream) (returns a Reader)
java.io.OutputStreamWriter(OutputStream) (returns a Writer)
javax.xml.bind.annotation.adapters.XmlAdapter#marshal() and #unmarshal()
Bridge (recognizeable by creational methods taking a...
How to display count of notifications in app launcher icon [duplicate]
...oal by using a widget instead of an icon. Widgets are customisable. Please read this :http://www.cnet.com/8301-19736_1-10278814-251.html and this http://developer.android.com/guide/topics/appwidgets/index.html.
Also look here: https://github.com/jgilfelt/android-viewbadger. It can help you.
As for b...
Regex Named Groups in Java
...our own version of Regex...
That is precisely what Gorbush2 did in this thread.
Regex2
(limited implementation, as pointed out again by tchrist, as it looks only for ASCII identifiers. tchrist details the limitation as:
only being able to have one named group per same name (which you don’t ...
How To Create a Flexible Plug-In Architecture?
...up your App to plugins model (the article in Kalkie's post is great). I've read a bit on the way eclipse does things, but nothing more than that.
Yegge's properties blog talks a bit about how the use of the properties pattern allows for plugins and extensibility.
Most of the work I've done has us...
What is the difference between char array and char pointer in C?
...the same with int type? And after using %c to print name , the output is unreadable string: �?
– TomSawyer
Apr 23 at 19:52
...
How to convert floats to human-readable fractions?
... long m[2][2];
double x, startx;
long maxden;
long ai;
/* read command line arguments */
if (ac != 3) {
fprintf(stderr, "usage: %s r d\n",av[0]); // AF: argument missing
exit(1);
}
startx = x = atof(av[1]);
maxden = atoi(av[2]);
/* initialize ma...
What's the difference between echo, print, and print_r in PHP?
...(if it's an array or an object). print_r prints a variable in a more human-readable form: strings are not quoted, type information is omitted, array sizes aren't given, etc.
var_dump is usually more useful than print_r when debugging, in my experience. It's particularly useful when you don't know e...
Semicolons superfluous at the end of a line in shell scripts?
...
This is false. There is no difference. If you read the same section of the manual properly, you'd see this, just a few lines above: A sequence of one or more newlines may appear in a list to delimit commands, equivalent to a semicolon. So what you quoted about the semico...
How to prevent custom views from losing state across screen orientation changes
...ivate SavedState(Parcel in) {
super(in);
this.stateToSave = in.readInt();
}
@Override
public void writeToParcel(Parcel out, int flags) {
super.writeToParcel(out, flags);
out.writeInt(this.stateToSave);
}
//required field that makes Parcelables from a Par...