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Spring JPA selecting specific columns
... a custom JPQL query in the JPA repository class):
@Query("select new com.foo.bar.entity.Document(d.docId, d.filename) from Document d where d.filterCol = ?1")
List<Document> findDocumentsForListing(String filterValue);
Then of course, you just have to provide a constructor for Document tha...
Java - How to create new Entry (key, value)
...
Here is a simple example:
Entry<String, String> entry = Map.entry("foo", "bar");
As it is immutable, calling setValue will throw an UnsupportedOperationException. The other limitations are the fact that it is not serializable and null as key or value is forbidden, if it is not acceptable f...
Convert tabs to spaces in Notepad++
...f a line. E.g. in a line like this (using [tab] to represent a tab): "[tab]foo[tab]bar", with a tab size of 4 spaces, the first tab should be 4 spaces, but the second tab should be only 1 space.
– mercator
Jan 18 '09 at 18:39
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Best practice to mark deprecated code in Ruby?
... comment to the rdoc and call the Kernel#warn method. For example:
class Foo
# <b>DEPRECATED:</b> Please use <tt>useful</tt> instead.
def useless
warn "[DEPRECATION] `useless` is deprecated. Please use `useful` instead."
useful
end
def useful
# ...
e...
How do I perform an insert and return inserted identity with Dapper?
...don't see anything related to the question :/ My assumption is to Query<foo> that inserts values then selects * where id = SCOPE_IDENTITY().
– user1228
Sep 8 '13 at 17:41
2
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Quickest way to convert XML to JSON in Java [closed]
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What if you have a <test attrib="moretest" content="foo">bar</test>?
– wchargin
Jun 7 '13 at 2:34
1
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How to count items in a Go map?
...m the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map elements. The original author was Simone Carletti. Attribution details c...
Matplotlib plots: removing axis, legends and white spaces
... numpy as np
data = np.arange(10000).reshape((100, 100))
plt.imsave("/tmp/foo.png", data, format="png", cmap="hot")
It directly stores the image as it is, i.e. does not add any axes or border/padding.
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Replace a string in a file with nodejs
... console.log('Updated!');
}
});
});
searchReplaceFile(/foo/g, 'bar', 'file.txt');
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How do I implement a callback in PHP?
...d, the string must contain the fully-qualified name. E.g. ['Vendor\Package\Foo', 'method']
call_user_func does not support passing non-objects by reference, so you can either use call_user_func_array or, in later PHP versions, save the callback to a var and use the direct syntax: $cb();
Objects with...