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Step-by-step debugging with IPython
...s, this thread shows how to accomplish everything described in the OP (and more) using
a new important debugger in Emacs called RealGUD which can operate with any debugger (including ipdb).
The Emacs package isend-mode.
The combination of these two packages is extremely powerful and allows one to ...
How to change the href for a hyperlink using jQuery
...he href of all hyperlinks to point to Google. You probably want a somewhat more refined selector though. For instance, if you have a mix of link source (hyperlink) and link target (a.k.a. "anchor") anchor tags:
<a name="MyLinks"></a>
<a href="http://www.codeproject.com/">The CodeP...
Change multiple files
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see the updated answer. if you need more info, please, ask an official question, so people could help you.
– lenik
May 5 '12 at 1:18
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How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:?
... NSLog(@"parameter1: %d parameter2: %f", parameter1, parameter2);
});
More: https://developer.apple.com/documentation/dispatch/1452876-dispatch_after
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How to get the instance id from within an ec2 instance?
...instance-id || die \"wget instance-id has failed: $?\"`"
An example of a more advanced use (retrieve instance ID as well as availability zone and region, etc.):
EC2_INSTANCE_ID="`wget -q -O - http://169.254.169.254/latest/meta-data/instance-id || die \"wget instance-id has failed: $?\"`"
test -n ...
What's the difference between a Future and a Promise?
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How to check if a specified key exists in a given S3 bucket using Java
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Use the jets3t library. Its a lot more easier and robust than the AWS sdk. Using this library you can call, s3service.getObjectDetails(). This will check and retrieve only the details of the object (not the contents) of the object. It will throw a 404 if the ...
Should I index a bit field in SQL Server?
...sage.
When you ask for a set of rows, SQL uses the index to find the rows more quickly than table scanning (looking at every row).
SQL has clustered and non-clustered indexes. My understanding of clustered indexes is that they group similar index values into the same page. This way when you ask ...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
... If the original statement were an INSERT, then the parenthesis would make more sense. It would also explain why the database connection isn't in read-only mode.
– dan04
Aug 10 '10 at 4:02
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How to replace ${} placeholders in a text file?
...o sed commands into one: sed -e "s/\${i}/1/" -e "s/\${word}/dog/"; that is more efficient. You can run into problems with some versions of sed at maybe 100 such operations (problem from years ago - may not still be true, but beware HP-UX).
– Jonathan Leffler
J...