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What is a raw type and why shouldn't we use it?
...Raw Types
A raw type is defined to be one of:
The reference type that is formed by taking the name of a generic type declaration without an accompanying type argument list.
An array type whose element type is a raw type.
A non-static member type of a raw type R that is not inherited from a super...
Array initialization syntax when not in a declaration
...ressions between the { and the } ... just like it does for the initializer forms that are allowed.
– Stephen C
Feb 6 '16 at 4:03
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Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
...e by suffixing it with ::date. Here, in psql, is a timestamp:
# select '2010-01-01 12:00:00'::timestamp;
timestamp
---------------------
2010-01-01 12:00:00
Now we'll cast it to a date:
wconrad=# select '2010-01-01 12:00:00'::timestamp::date;
date
------------
2010-01-01
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INSERT INTO…SELECT for all MySQL columns
...coln)
SELECT col1, col2, ..., coln
FROM this_table
WHERE entry_date < '2011-01-01 00:00:00';
If the id columns is an auto-increment column and you already have some data in both tables then in some cases you may want to omit the id from the column list and generate new ids instead to avoid inse...
What is the copy-and-swap idiom?
...s we are rid of the need for a self-assignment check, allowing a single uniform implementation of operator=. (Additionally, we no longer have a performance penalty on non-self-assignments.)
And that is the copy-and-swap idiom.
What about C++11?
The next version of C++, C++11, makes one very impor...
How to add a line break in an Android TextView?
... Upvote! This worked for me! If you just want to add a line break in the form: textView.setText(string1+System.getProperty ("line.separator")+string2); then it works a treat, thank you!
– Twice Circled
Dec 27 '12 at 13:46
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Getting the names of all files in a directory with PHP
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Not all filenames have the form *.*: just use * instead.
– jameshfisher
Feb 24 '14 at 17:17
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Where does Chrome store extensions?
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I got a best solution form this page http://uncaughterror.com/programming/javascript/how-to-find-chrome-extension-location-in-our-computer/
– sijo vijayan
Nov 2 '16 at 9:47
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How does the Meteor JavaScript framework work? [closed]
...ere is Meteor Server. I have a feeling the original question was about the former and this answer was about the latter? meteor.com and meteorserver.org
– ile
Apr 23 '12 at 0:38
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Capture Signature using HTML5 and iPad
...l I realized just how easy this is to use. I got it fully implemented in a form, storing in the database and retrieving back to page in under an hour. I suppose, I was comparing it to libraries that were much more complex to use like the chosen answer above. I hadn't worked with data URIs before, bu...