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Spring ApplicationContext - Resource leak: 'context' is never closed
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Worthy of note: While the base ApplicationContext inteface does not provide the close() method, ConfigurableApplicationContext (which ClassPathXmlApplicationContext implements) does and extends Closeable to boot, so you can use the Java 7 try-with-res...
Secure hash and salt for PHP passwords
...n't mix bcrypt and with the raw output of hash(), either use hex output or base64_encode it. (This applies to any input that may have a rogue \0 in it, which can seriously weaken security.)
Dos
Use scrypt when you can; bcrypt if you cannot.
Use PBKDF2 if you cannot use either bcrypt or scrypt, w...
Why is no one using make for Java?
...ke more of a make versus javac answer than a make versus ant/maven answer. Based on your answer, why couldn't someone just use make + javac (giving javac an entire package or "module" at a time, so circular dependencies are hidden from make)? Would ant or maven provide any benefit over that approach...
GB English, or US English?
If you have an API, and you are a UK-based developer with a highly international audience, should your API be
28 Answers
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What does `void 0` mean? [duplicate]
... to worry about when writing code but it can add up enough over large code bases that most code minifiers replace undefined with void 0 to reduce the number of bytes sent to the browser.
share
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imp...
UICollectionView spacing margins
... contains a bunch of useful answers, I want to add a modern Swift version, based on William Hu's answer. It also improves two things:
The spacing between different lines will now always match the spacing between items in the same line.
By setting a minimum width, the
code automatically calculates ...
How does libuv compare to Boost/ASIO?
... windows::stream_handle.
API Differences
While the APIs are different based on the language alone, here are a few key differences:
Operation and Handler Association
Within Boost.Asio, there is a one-to-one mapping between an operation and a handler. For instance, each async_write operation w...
Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?
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@AnatoliyArkhipov, there is a way (based on Terr answer). I've already updated the code in this answer.
– Denilson Sá Maia
Jul 25 '14 at 16:10
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How to inflate one view with a layout
...nstead of ViewGroup there in my example above, as you cant instantiate the base class ViewGroup. 5 minute edit rule got me. lol
– Pimp Trizkit
Jan 27 '13 at 6:05
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How to add new column to MYSQL table?
...omething like:
$db = mysqli_connect("localhost", "user", "password", "database");
$name = $db->mysqli_real_escape_string($name);
$query = 'ALTER TABLE assesment ADD ' . $name . ' TINYINT NOT NULL DEFAULT \'0\'';
if($db->query($query)) {
echo "It worked";
}
Haven't tested it but should w...