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Ways to eliminate switch in code [closed]
... case INSIDE:
throw new Exception("Cannot enter. Already inside");
case OUTSIDE:
state = INSIDE;
...
break;
}
}
public void exit() {
switch (state) {
case INSIDE:
...
Why is try {…} finally {…} good; try {…} catch{} bad?
... to handle. If I have an application that gets a file name from users then reads the file, and my file reader gets an exception opening the file, it should pass them up (or consume the exception and throw a new one) so that the application can say, hey - file didn't open, let's prompt the user for a...
How to use Google App Engine with my own naked domain (not subdomain)?
After hours of reading about and experimenting with DNS records I can access my Google App Engine app via these URLs:
14 An...
What is the purpose of fork()?
...grams (like those written using MPI). Note this is different from using threads, which don't have their own address space and exist within a process.
Scripting languages use fork indirectly to start child processes. For example, every time you use a command like subprocess.Popen in Python, you for...
Find all storage devices attached to a Linux machine [closed]
...er worked out how fdisk -l works, but I thought you might like to know: it reads /proc/partitions and then iterates through /sys/dev/block/* which contains a set of symlinks to the devices' true repr in sysfs. You can find this information out by running fdisk under strace :)
–...
Can I use a :before or :after pseudo-element on an input field?
...irectly talks about element content...
W3C specification
If we carefully read the specification it actually says that they are inserted inside a containing element:
Authors specify the style and location of generated content with the :before and :after pseudo-elements. As their names indicate,...
How do I access call log for android?
...following permission:
<uses-permission android:name="android.permission.READ_CALL_LOG" />
Code:
Uri allCalls = Uri.parse("content://call_log/calls");
Cursor c = managedQuery(allCalls, null, null, null, null);
String num= c.getString(c.getColumnIndex(CallLog.Calls.NUMBER));// for number
S...
What is the difference between an interface and a class, and why I should use an interface when I ca
...ion of WriteLog() would remain different for each of the classes but you already have the object so why pass it to a handler class?
– Zach M.
Dec 19 '14 at 19:09
...
Can I squash commits in Mercurial?
...
If you are reading this answer, you can forget every other option
mentioned in this answer and use the fold command from the evolve
extension.
evolve is an extension of mercurial which helps us in having safe mutable history, it's...
Android and XMPP: Currently available solutions [closed]
...ns natively on Android. For more information have a look at the "Smack 4.3 Readme" and see the Smack project page at Ignite Realtime.
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