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Is #pragma once a safe include guard?
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To use include guards, there is the extra requirement that you must define a new symbol such as #ifndef FOO_BAR_H, normally for a file such as "foo_bar.h". If you later rename this file, should you adjust the include guards accordingly to be consistent with thi...
Android file chooser [closed]
... Uri uri = data.getData();
Log.d(TAG, "File Uri: " + uri.toString());
// Get the path
String path = FileUtils.getPath(this, uri);
Log.d(TAG, "File Path: " + path);
// Get the file instance
// File file = new File(path);
...
How can I create a table with borders in Android?
... android:paddingTop="10dp"
android:text="@string/main_wo_colon"
android:textColor="@color/white"
android:textSize="16sp" />
<LinearLayout
android:layout_width="1dp"
...
multi-layer perceptron (MLP) architecture: criteria for choosing number of hidden layers and size of
..., err on the side of more nodes
in the hidden layer.
Why? First, a few extra nodes in the hidden layer isn't likely do any any harm--your MLP will still converge. On the other hand, too few nodes in the hidden layer can prevent convergence. Think of it this way, additional nodes provides some ex...
Django: Get an object form the DB, or 'None' if nothing matches
...eality multiple objects exist. Using get() instead of first() gives you an extra layer of protection, by raising MultipleObjectsReturned(). If the result being returned is not expected to return multiple objects, then it should not be treated as such. There was a long debate about this here
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Creating multiline strings in JavaScript
...</span>
</div>
`;
(Note: I'm not advocating to use HTML in strings)
Browser support is OK, but you can use transpilers to be more compatible.
Original ES5 answer:
Javascript doesn't have a here-document syntax. You can escape the literal newline, however, which comes close:
"fo...
Can I concatenate multiple MySQL rows into one field?
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If you want to sort hobbies in the resulting imploded string use: SELECT person_id, GROUP_CONCAT(hobbies ORDER BY hobbies ASC SEPARATOR ', ') FROM peoples_hobbies GROUP BY person_id
– Jan
Mar 8 '17 at 15:38
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How to set up a Subversion (SVN) server on GNU/Linux - Ubuntu [closed]
...ired modules:
sudo apt-get install libapache2-svn apache2
The following extra packages will be installed:
apache2-mpm-worker apache2-utils apache2.2-common
2: Enable SSL
sudo a2enmod ssl
sudo kate /etc/apache2/ports.conf
Add or check that the following is in the file:
<IfModule mod_ssl....
Hibernate error - QuerySyntaxException: users is not mapped [from users]
...---------------------------------------
private int id;
private String name;
//~ --- [METHODS] --------------------------------------------------------------------------------------------------
@Override
public boolean equals(final Object o) {
if (this == o) {
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Extract a number from a string (JavaScript)
I have a string in JavaScript like #box2 and I just want the 2 from it.
21 Answers
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