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Is there a command like “watch” or “inotifywait” on the Mac?
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fswatch
fswatch is a small program using the Mac OS X FSEvents API to monitor a directory.
When an event about any change to that directory is received, the specified
shell command is executed by /bin/bash
If you're on GNU/Linux,
inotifywatch (par...
How safe is it to store sessions with Redis?
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Redis is perfect for storing sessions. All operations are performed in memory, and so reads and writes will be fast.
The second aspect is persistence of session state. Redis gives you a lot of flexibility in how you want to persist session state to your hard-dis...
How do you log all events fired by an element in jQuery?
I'd like to see all the events fired by an input field as a user interacts with it. This includes stuff like:
12 Answers
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How large should my recv buffer be when calling recv in the socket library
...w how big to make the buffer passed to recv()?
SOCK_STREAM: It doesn't really matter too much. If your protocol is a transactional / interactive one just pick a size that can hold the largest individual message / command you would reasonably expect (3000 is likely fine). If your protocol is tran...
MS-DOS Batch file pause with enter key
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There's a pause command that does just that, though it's not specifically the enter key.
If you really want to wait for only the enter key, you can use the set command to ask for user input with a dummy variable, something like:
set /p DUMMY=Hit ENTER to continue...
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How to send only one UDP packet with netcat?
...ght as well write
echo -n "hello" >/dev/udp/localhost/8000
and avoid all the idiosyncrasies and incompatibilities of netcat.
This also works sending to other hosts, ex:
echo -n "hello" >/dev/udp/remotehost/8000
These are not "real" devices on the file system, but bash "special" aliases....
Difference between __getattr__ vs __getattribute__
... the attribute wasn't found the usual ways. It's good for implementing a fallback for missing attributes, and is probably the one of two you want.
__getattribute__ is invoked before looking at the actual attributes on the object, and so can be tricky to implement correctly. You can end up in infi...
Using IntelliJ to amend git commit message
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View => Tool Windows => Version Control. (Windows (Alt + 9) / OS X (Cmd + 9))
IntelliJ 2017.1 and higher => Go to Log and right click + reword or press F2.
While you are on the same branch, ( your checked out branch is the same )
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How to make a smaller RatingBar?
...will be attempting in a day or so.)
Good luck!
p.s. Sorry, was going to post a link to the source for you to poke around in but I'm a new user and can't post more than 1 URL. If you dig your way through the source tree, it's located at frameworks/base/core/java/android/widget/RatingBar.java
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How can I get an http response body as a string in Java?
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Every library I can think of returns a stream. You could use IOUtils.toString() from Apache Commons IO to read an InputStream into a String in one method call. E.g.:
URL url = new URL("http://www.example.com/");
URLConnection con = url.openConnection();
InputStream in = con.getInputStream();
S...