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input type=“text” vs input type=“search” in HTML5
...m working with form input fields, especially <input type="text" /> and <input type="search" /> IMO there wasn't any difference in all major browser including Safari, Chrome, Firefox and Opera. And the search field also behaves like a regular text field.
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What is private bytes, virtual bytes, working set?
...e a reliable indicator of how much memory an executable is actually using, and none of them are really appropriate for debugging a memory leak.
Private Bytes refer to the amount of memory that the process executable has asked for - not necessarily the amount it is actually using. They are "private...
Difference between “managed” and “unmanaged”
...ead about it sometimes when talking about .NET, for example "managed code" and "unmanaged code" but I have no idea what they are and what are their differences. What are their difference, by definition? What are the consequences of using either of them? Does this distinction exist in .NET/Windows on...
When to use the different log levels
...he following convention:
Trace - Only when I would be "tracing" the code and trying to find one part of a function specifically.
Debug - Information that is diagnostically helpful to people more than just developers (IT, sysadmins, etc.).
Info - Generally useful information to log (service start/s...
PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
...nswer your concerns:
MySQL >= 5.1.17 (or >= 5.1.21 for the PREPARE and EXECUTE statements) can use prepared statements in the query cache. So your version of MySQL+PHP can use prepared statements with the query cache. However, make careful note of the caveats for caching query results in the...
Javascript object Vs JSON
I want to understand the basic differences clearly between Javascript object and JSON string.
5 Answers
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PHP + MySQL transactions examples
...re, it means that no exception was thrown
// i.e. no query has failed, and we can commit the transaction
$db->commit();
} catch (\Throwable $e) {
// An exception has been thrown
// We must rollback the transaction
$db->rollback();
throw $e; // but the error must be hand...
How to check if any flags of a flag combination are set?
...f you want to know if letter has any of the letters in AB you must use the AND & operator. Something like:
if ((letter & Letters.AB) != 0)
{
// Some flag (A,B or both) is enabled
}
else
{
// None of them are enabled
}
...
What is NODE_ENV and how to use it in Express?
...ode application is run, it can check the value of the environment variable and do different things based on the value. NODE_ENV specifically is used (by convention) to state whether a particular environment is a production or a development environment. A common use-case is running additional debuggi...
Proper use of errors
I'm using TypeScript for a reasonably large project, and am wondering what the standard is for the use of Error s. For example, say I hand an index out of bounds exception in Java:
...