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Ruby: Can I write multi-line string with no concatenation?
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In ruby 2.0 you can now just use %
For example:
SQL = %{
SELECT user, name
FROM users
WHERE users.id = #{var}
LIMIT #{var2}
}
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Command not found when using sudo
... set the executable permission on foo.sh
$ ls -l foo.sh # Now we see an x after the rw
-rwxr-xr-x 1 rkielty users 0 2012-10-21 14:47 foo.sh
^ ^ ^
foo.sh is now executable as far as Linux is concerned.
Using sudo results in Command not found
When you run a command using sud...
Failed to import new Gradle project: failed to find Build Tools revision *.0.0
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This is the most straightforward answer as of now. Thanks!
– Steven Carlton
Nov 15 '16 at 22:22
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Better way to shuffle two numpy arrays in unison
...create two views into this single array simulating the two arrays you have now. You can use the single array for shuffling and the views for all other purposes.
Example: Let's assume the arrays a and b look like this:
a = numpy.array([[[ 0., 1., 2.],
[ 3., 4., 5.]],
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How can I get selector from jQuery object
...t has a selector property I saw when digging in its code yesterday. Don't know if it's defined in the docs are how reliable it is (for future proofing). But it works!
$('*').selector // returns *
Edit: If you were to find the selector inside the event, that information should ideally be part of t...
How does the getView() method work when creating your own custom adapter?
... one. You see, getView() is called everytime an item in the list is drawn. Now, before the item can be drawn, it has to be created. Now convertView basically is the last used view to draw an item. In getView() you inflate the xml first and then use findByViewID() to get the various UI elements of th...
Artificially create a connection timeout error
...d got the timeout. That worked for me too. emu's solution gave me me an UnknownHostException on Android.
– Barry Fruitman
Feb 26 '16 at 23:39
2
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Assert equals between 2 Lists in Junit
...le years after the question, probably this feature wasn't around then. But now, it's easy to just do this:
@Test
public void test_array_pass()
{
List<String> actual = Arrays.asList("fee", "fi", "foe");
List<String> expected = Arrays.asList("fee", "fi", "foe");
assertThat(actual, i...
How to access property of anonymous type in C#?
...ng overdue for an update for C# 4:
dynamic d = o;
object v = d.Foo;
And now another alternative in C# 6:
object v = o?.GetType().GetProperty("Foo")?.GetValue(o, null);
Note that by using ?. we cause the resulting v to be null in three different situations!
o is null, so there is no object a...
How to manually send HTTP POST requests from Firefox or Chrome browser?
...tures which have been helpful for documenting our own API here.
Postman now also has native apps (i.e. standalone) for Windows, Mac and Linux! It is more preferable now to use native apps, read more here.
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