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How to properly reuse connection to Mongodb across NodeJs application and modules
I've been reading and reading and still am confused on what is the best way to share the same database (MongoDb) connection across whole NodeJs app. As I understand connection should be open when app starts and reused between modules. My current idea of the best way is that server.js (main file wh...
what’s the difference between Expires and Cache-Control headers?
...HTTP/1.1 and offers more options than Expires. They can be used to accomplish the same thing but the data value for Expires is an HTTP date whereas Cache-Control max-age lets you specify a relative amount of time so you could specify "X hours after the page was requested".
HTML Cache control is ...
How do I implement onchange of with jQuery?
<select> has this API. What about <input> ?
14 Answers
14
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Swift - How to convert String to Double
I'm trying to write a BMI program in swift language.
And I got this problem: how to convert a String to a Double?
29 Answer...
Why are #ifndef and #define used in C++ header files?
I have been seeing code like this usually in the start of header files:
4 Answers
4
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How to output in CLI during execution of PHP Unit tests?
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UPDATE
Just realized another way to do this that works much better than the --verbose command line option:
class TestSomething extends PHPUnit_Framework_TestCase {
function testSomething() {
$myDebugVar = array(1, 2, 3);
fwrite(STDERR, print_r($...
Is there a cross-browser onload event when clicking the back button?
...as a result of a back button operation — it only fires when the page is first loaded.
15 Answers
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Is there any way to ignore INSTALL_FAILED_VERSION_DOWNGRADE on application install with the Android
It seems like the most recent Android 4.2 has introduced this error condition on installation when one attempts to install an APK with a lower version. In prior versions of Android, one would be able to install older APK's simply via adb install -r <link to APK> . For debugging purposes, I f...
How do I run a batch file from my Java Application?
... file to specify the program that executes it. Double-clicking in Windows is performed by Windows Explorer. CreateProcess does not know anything about that.
Runtime.
getRuntime().
exec("cmd /c start \"\" build.bat");
Note: With the start \"\" command, a separate command window will be ope...
What's the best CRLF (carriage return, line feed) handling strategy with Git?
...
Almost four years after asking this question, I have finally
found an answer that completely satisfies me!
See the details in github:help's guide to
Dealing with line endings.
Git allows you to set the line ending properties for a
repo directly using ...