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How to find duplicates in 2 columns not 1
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You should set up a composite key between the two fields. This will require a unique stone_id and upcharge_title for each row.
As far as finding the existing duplicates try this:
select stone_id,
upcharge_title,
count(*)
f...
Spring DAO vs Spring ORM vs Spring JDBC
..., your DAOs interfaces should not change, and the service layer will still compile with blocks that catches HibernateException, but you will never enter these blocks as your DAOs are now throwing JPA PersistenceException. By using @Repository on your DAO, the exceptions linked to the underlying tech...
Auto-size dynamic text to fill fixed size container
...hat I ended up with:
Here is a link to the plugin: https://plugins.jquery.com/textfill/
And a link to the source: http://jquery-textfill.github.io/
;(function($) {
$.fn.textfill = function(options) {
var fontSize = options.maxFontPixels;
var ourText = $('span:visible:first', th...
How to communicate between iframe and the parent site?
... isn't located in the same domain , but both are mine, and I would like to communicate between the iframe and the parent site. Is it possible?
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Delete a key from a MongoDB document using Mongoose
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Installing Google Protocol Buffers on mac
... version of Google Protocol Buffers (protobuf-2.4.1) on mac using Terminal command line. I tried with brew install protobuf , but the latest version 2.5.0 has been installed. Is it possible to install the older version from terminal.
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How to use Swift @autoclosure
...n expression like 2 > 1, it's automatically wrapped into a closure to become {2 > 1} before it is passed to f. So if we apply this to the function f:
func f(pred: @autoclosure () -> Bool) {
if pred() {
print("It's true")
}
}
f(pred: 2 > 1)
// It's true
So it works wit...
git rebase, keeping track of 'local' and 'remote'
...g conflicts. I sometimes have the impression that they swap sides from one commit to the next.
4 Answers
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Why can't I initialize non-const static member or static array in class?
... file is typically included into many translation units. However, to avoid complicated linker rules, C++ requires that every object has a unique definition. That rule would be broken if C++ allowed in-class definition of entities that needed to be stored in memory as objects.
Why are only static c...
Create a .txt file if doesn't exist, and if it does append a new line
...l. When i looked at it i was like: Huh? just adding ",true" is enough? How come i wont see that before? Damn... I felt like a total dumb thanks. I really preciate these kinda good answers.
– Berker Yüceer
Mar 28 '12 at 13:07
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