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How to extract text from a string using sed?
...]] instead. You will also need to escape the + or use the -r switch (-E on OS X).
Note that [0-9] works as well for Arabic-Hindu numerals.
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How do I write unit tests in PHP? [closed]
...ey are, but for some reason I can't seem to figure out how exactly I'm supposed to test something. Could someone perhaps post a piece of example code and how they would test it? If it's not too much trouble :)
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Using sed and grep/egrep to search and replace
... reproduce this behaviour. what version of sed were you using and on which OS are you?
– David Schmitt
Nov 20 '11 at 19:46
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What is console.log?
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It's not a jQuery feature but a feature for debugging purposes. You can for instance log something to the console when something happens. For instance:
$('#someButton').click(function() {
console.log('#someButton was clicked');
// do something
});
You'd then see #someButton w...
how to schedule a job for sql query to run daily?
...l... Not everyone logs on as sa. Further (rather dry) info here.. msdn.microsoft.com/en-us/library/ms188283.aspx
– Fetchez la vache
Apr 19 '13 at 15:25
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How safe is it to store sessions with Redis?
...ore, but at a high level, here are your options -
If you cannot afford losing any sessions, set appendfsync always in your configuration file. With this, Redis guarantees that any write operations are saved to the disk. The disadvantage is that write operations will be slower.
If you are okay wit...
In Python, what happens when you import inside of a function? [duplicate]
What are the pros and cons of importing a Python module and/or function inside of a function, with respect to efficiency of speed and of memory?
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Storing Images in PostgreSQL
... so I'm working on an application which will use a Linux back-end running PostgreSQL to serve up images to a Windows box with the front end written in C#.NET, though the front-end should hardly matter. My question is:
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MS-DOS Batch file pause with enter key
Is it possible in MS-DOS batch file to pause the script and wait for user to hit enter key?
5 Answers
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How to send only one UDP packet with netcat?
...re using bash, you might 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 ba...