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Using “this” with class name
...his.getClass().getName());
}
}
void demoThis() {
new java.lang.Object() {
void demoThis() {
System.err.println("`this' is an instance of: " +
this.getClass().getName());
System.err.println("`Siht.this' is an instance of: "...
View not attached to window manager crash
...the progress bar when the activity is no more there.
Hence you get:
java.lang.IllegalArgumentException: View not attached to the window manager
Solution to this:
1) Make sure that the Dialog box is dismissed or canceled before the activity finishes.
2) Finish the activity, only after the dialo...
process.waitFor() never returns
...
Also from Java doc:
java.lang
Class Process
Because some native platforms only provide limited buffer size for standard input and
output streams, failure to promptly write the input stream or read the output stream of
the subprocess ma...
Scala: write string to file in one statement
...s adding a new library dependency. Anyway, Files.write also accepts a java.lang.Iterable as the second argument, and we can obtain that from a Scala Iterable, i.e. pretty much any collection type, using a converter: import java.nio.file.{Files, Paths}; import scala.collection.JavaConverters.asJavaIt...
Is there a way to ignore a single FindBugs warning?
...tackoverflow.com/a/14509697/1356953
Please note that this works with java.lang.SuppressWarningsso no need to use a separate annotation.
@SuppressWarnings on a field only suppresses findbugs warnings
reported for that field declaration, not every warning associated with
that field.
For ...
How to call shell commands from Ruby
...
Kernel#` , commonly called backticks – `cmd`
This is like many other languages, including Bash, PHP, and Perl.
Returns the result (i.e. standard output) of the shell command.
Docs: http://ruby-doc.org/core/Kernel.html#method-i-60
value = `echo 'hi'`
value = `#{cmd}`
Built-in syntax, %x( cm...
Downcasting in Java
...
I believe this applies to all statically typed languages:
String s = "some string";
Object o = s; // ok
String x = o; // gives compile-time error, o is not neccessarily a string
String x = (String)o; // ok compile-time, but might give a runtime exception if o is not infa...
Is it correct to use DIV inside FORM?
...class or id attributes), or because they share
attribute values, such as lang. It should be used only when no other
semantic element (such as or ) is appropriate.
You can use div inside form, if you are talking about using div instead of table, then google about Tableless web design
...
how to detect search engine bots with php?
...ER['HTTP_USER_AGENT'];
if(crawlerDetect($USER_AGENT)) return "no need to lang redirection";?>
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Convert JavaScript String to be all lower case?
...ocale of the user/host into account. As per § 15.5.4.17 of the ECMAScript Language Specification (ECMA-262), toLocaleLowerCase…
…works exactly the same as toLowerCase
except that its result is intended to
yield the correct result for the host
environment’s current locale, rather
t...