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How do I parse command line arguments in Java?
...oll your own:
http://docs.oracle.com/javase/7/docs/api/java/util/Scanner.html
For instance, this is how you use commons-cli to parse 2 string arguments:
import org.apache.commons.cli.*;
public class Main {
public static void main(String[] args) throws Exception {
Options optio...
Sending data back to the Main Activity in Android
...le of this here:
http://developer.android.com/training/notepad/notepad-ex2.html
and in the "Returning a Result from a Screen" of this:
http://developer.android.com/guide/faq/commontasks.html#opennewscreen
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Replace one character with another in Bash
...o/ /.}
# replace all blanks
bar=${foo// /.}
See http://tldp.org/LDP/abs/html/string-manipulation.html for more details.
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Is there a better way to write this null check, and a non-empty check, in groovy?
...e above. It works since Groovy 1.8.1 http://docs.groovy-lang.org/docs/next/html/groovy-jdk/java/util/Collection.html#find(). Examples:
def lst1 = []
assert !lst1.find()
def lst2 = [null]
assert !lst2.find()
def lst3 = [null,2,null]
assert lst3.find()
def lst4 = [null,null,null]
assert !lst4.find...
How do I forward parameters to other command in bash script?
... with a test script demonstrating the difference is here: tldp.org/LDP/abs/html/internalvariables.html#APPREF
– Cascabel
Oct 8 '09 at 14:43
2
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Capture key press (or keydown) event on DIV element
...
tabindex HTML attribute indicates if its element can be focused, and if/where it participates in sequential keyboard navigation (usually with the Tab key). Read MDN Web Docs for full reference.
Using Jquery
$( "#division" ).keydow...
Align inline-block DIVs to top of container element
...ipt type="text/javascript">
$('button').click(function() {
$('.dif').html("<img/>");
})
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Running single test from unittest.TestCase via command line
...Python3 documentation for this: https://docs.python.org/3/library/unittest.html#command-line-interface
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Query EC2 tags from within instance
...p://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AESDG-chapter-instancedata.html
instance_metadata = utils.get_instance_metadata(timeout=0.5, num_retries=1)
region = instance_metadata['placement']['availability-zone'][:-1]
instance_id = instance_metadata['instance-id']
conn = ec2.connect_to_region(r...
How to reference the initial commit?
...mmit) in a repository (even if we discount disconnected branches, such as 'html', 'man' and 'todo' in git.git repository). This is usually result of joining separate projects in one, or using subtree merge of separately developed subproject.
For example git repository has 6 root commits: git-gui, ...