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Oracle SQL: Update a table with data from another table
...n a unique row. This means that you have to select on all the fields which comprise a unique key -- a non-unique primary key is not sufficient. Without uniqueness, you are reduced to something like @PaulKarr's loop -- and if there is not a unique correlation, then more than one target row may be upd...
HTML form readonly SELECT tag/input
...ontainer {
padding: 10px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div>
<form id="mainform">
<select id="animal-select" disabled="true">
<option value="cat" selected>Cat</opti...
How to convert AAR to JAR
.... This is because I develop projects in Netbeans, which seems to be not in compliance with the AAR extension. The remark of ChuongPham seems to be related not to this answer, but to the answer of AWT, and then I agree partly with ChuongPham, i.e. simple rename from AAR to JAR is not working. However...
How do you get git to always pull from a specific branch?
...east).
If you don't want to edit the config file by hand, you can use the command-line tool instead:
$ git config branch.master.remote origin
$ git config branch.master.merge refs/heads/master
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What is the purpose of Serialization in Java?
...d the object.
Why would we want to do this?
There are several reasons:
Communication: If you have two machines that are running the same code, and they need to communicate, an easy way is for one machine to build an object with information that it would like to transmit, and then serialize that ...
Regular expression to search for Gadaffi
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Split code over multiple lines in an R script
...gree with the reject. The answer is still correct, has its context and the comments update it.
– Dirk Eddelbuettel
Sep 19 '13 at 11:38
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Reset CSS display property to default value
...nal). Information about browser support for revert can be found on caniuse.com.
While the level 3 spec does introduce an initial keyword, setting a property to its initial value resets it to its default value as defined by CSS, not as defined by the browser. The initial value of display is inline; t...
“#include” a text file in a C program as a char[]
...s there a way to include an entire text file as a string in a C program at compile-time?
17 Answers
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How to get the instance id from within an ec2 instance?
... not work (for me) on a new EC2 host. The documentation -- docs.aws.amazon.com/AWSEC2/latest/UserGuide/… -- only mentions the 169.254 address, and makes no mention of the "instance-data" hostname. i.e. use 169.254.169.254/latest/meta-data/instance-id
– JDS
Fe...
