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cleanest way to skip a foreach if array is empty [duplicate]
...ddition, this would work with objects implementing \Traversable, whereas is_array wouldn't work.
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How to get Twitter-Bootstrap navigation to show active link?
...g the same code over and over. I would recommend at least using the current_page? method to check the current controller/action, and would also move the code into a helper to avoid the code repetition.
– Dustin Frazier
May 9 '12 at 17:17
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What exactly are DLL files, and how do they work?
...t.com/en-us/windows/win32/api/libloaderapi/…
– Jack_Hu
Aug 28 at 8:28
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phpunit mock method multiple calls with different arguments
...on Query($sSql) {
return "";
}
}
class fooTest extends PHPUnit_Framework_TestCase {
public function testMock() {
$mock = $this->getMock('DB', array('Query'));
$mock
->expects($this->exactly(2))
->method('Query')
-&g...
Connect Java to a MySQL database
... as well.
CREATE DATABASE javabase DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;
Create an user for Java and grant it access. Simply because using root is a bad practice.
CREATE USER 'java'@'localhost' IDENTIFIED BY 'password';
GRANT ALL ON javabase.* TO 'java'@'localhost' IDENTIFIED BY 'pa...
Using a dispatch_once singleton model in Swift
...ound for the lack of static constants and variables in functions.
dispatch_once
The traditional Objective-C approach ported to Swift. I'm fairly certain there's no advantage over the nested struct approach but I'm putting it here anyway as I find the differences in syntax interesting.
class Singl...
How to convert byte array to string and vice versa?
...rset): String str = new String(bytes, java.nio.charset.StandardCharsets.ISO_8859_1);
– iman
Nov 20 '17 at 7:33
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Start ssh-agent on login
...ph M. Reagle by way of Daniel Starin:
Add this following to your .bash_profile
SSH_ENV="$HOME/.ssh/agent-environment"
function start_agent {
echo "Initialising new SSH agent..."
/usr/bin/ssh-agent | sed 's/^echo/#echo/' > "${SSH_ENV}"
echo succeeded
chmod 600 "${SSH_ENV}"
...
Base64 encoding in SQL Server 2005 T-SQL
...coding
FROM (
SELECT CAST('TestData' AS VARBINARY(MAX)) AS bin
) AS bin_sql_server_temp;
-- Decode the Base64-encoded string "VGVzdERhdGE=" to get back "TestData"
SELECT
CAST(
CAST(N'' AS XML).value(
'xs:base64Binary("VGVzdERhdGE=")'
, 'VARBINARY(MAX)'
...
Is there a way of making strings file-path safe in c#?
...h.GetInvalidFileNameChars();
// Builds a string out of valid chars and an _ for invalid ones
var validFilename = new string(filename.Select(ch => invalidFileNameChars.Contains(ch) ? '_' : ch).ToArray());
To replace invalid characters (and avoid potential name conflict like Hell* vs Hell$):
st...