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How to change Rails 3 server default port in develoment?
...le - you are monkey-patching the server runner - so it will influence just one project.
UPDATE: Yes, I know that the there is simpler solution with bash script containing:
#!/bin/bash
rails server -p 10524
but this solution has a serious drawback - it is boring as hell.
...
Closure in Java 7 [closed]
...d for inclusion in Java 7, but in the end were not included. -ed) Can anyone please provide me with some reliable references from where I can learn stuff about closures?
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deny direct access to a folder and file by htaccess
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I am not sure about the one who posted the question whether his problem solved or not, but this is the beauty of SO that multiple answer can help lots of members. This last answer resolved my issue. I want to let sites get css file but no access t...
Purge Kafka Topic
...
Temporarily update the retention time on the topic to one second:
kafka-topics.sh --zookeeper <zkhost>:2181 --alter --topic <topic name> --config retention.ms=1000
And in newer Kafka releases, you can also do it with kafka-configs --entity-type topics
kafka-confi...
Graph visualization library in JavaScript
...erry", "apple");
g.addEdge("id34", "cherry");
I used the previously mentioned Raphael JS library (the graffle example) plus some code for a force based graph layout algorithm I found on the net (everything open source, MIT license). If you have any remarks or need a certain feature, I may implemen...
Fling gesture detection on grid layout
...er = new View.OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
return gestureDetector.onTouchEvent(event);
}
};
}
class MyGestureDetector extends SimpleOnGestureListener {
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, fl...
background:none vs background:transparent what is the difference?
... that background is a shorthand for, then it is set to its default value. none and transparent are the defaults.
One explicitly sets the background-image to none and implicitly sets the background-color to transparent. The other is the other way around.
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How can I recover a removed file in Mercurial (if at all)?
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from eclipse this can be done by right clicking the file Select Team-->Revert
– Emil
Oct 10 '13 at 6:43
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What is RSS and VSZ in Linux memory management
...ogram that:
allocates more RAM than our physical memory with mmap
writes one byte on each page to ensure that each of those pages goes from virtual only memory (VSZ) to actually used memory (RSS)
checks the memory usage of the process with one of the methods mentioned at: Memory usage of current p...
How can I move a tag on a git branch to a different commit?
...nction with -a to force-create an annotated tag instead of a non-annotated one.
Example
Delete the tag on any remote before you push
git push origin :refs/tags/<tagname>
Replace the tag to reference the most recent commit
git tag -fa <tagname>
Push the tag to the remote origin
gi...