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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...n the time, and according to php.net "the return value is little different from microtime()", uniqid does not meet the criteria. PHP recommends using openssl_random_pseudo_bytes() instead to generate cryptographically secure tokens.
A quick, short and to the point answer is:
bin2hex(openssl_random_p...
How do I print a double value without scientific notation using Java?
... What is your opinion of new BigDecimal(myvalue).toPlainString() From the description at docs.oracle.com/javase/7/docs/api/java/math/…), it's not immediately obvious how it behaves when given different types of numbers, but it does eliminate scientific notation.
– D...
What's the difference between :: (double colon) and -> (arrow) in PHP?
...xt at the time of the call, meaning these must be true:
the call is made from a context where $this exists and
the class of $this is either the class of the method being called or a subclass of it.
Example:
class A {
public function func_instance() {
echo "in ", __METHOD__, "\n";
...
PostgreSQL: Which Datatype should be used for Currency?
...it doesn't.
For a more official source, read this thread in pgsql-general (from just this week!), with statements from core developers including D'Arcy J.M. Cain (original author of the money type) and Tom Lane:
Related answer (and comments!) about improvements in recent releases:
Jasper Report: un...
Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
...
When I've got uncommitted changes from one task in my working copy and I need to switch to another task, I do one of two things:
Check out a new working copy for the second task.
or
Start a branch:
workingcopy$ svn copy CURRENT_URL_OF_WORKING_COPY SOME_BR...
ASP.NET MVC3 - textarea with @Html.EditorFor
...is referring to is creating classes that represent your view data SEPARATE from classes that are used in your DbContext. Don't pass your DbContext models into views. Create a view model class, then shift the info you care about from the db model into the view model, and vice versa when accepting inp...
What is a practical use for a closure in JavaScript?
... has only a function, it could also have variables that are not accessible from the outside. Say: var obj = (function () { var value = 0; return { get: function () { return value; }, set: function (val) { value = val; } } })(); obj.set(20); obj.get(); => 20 etc.
...
Remove local git tags that are no longer on the remote repository
We use tags in git as part of our deployment process. From time to time, we want to clean up these tags by removing them from our remote repository.
...
Unresolved external symbol on static class members
...got was to mark my class definition __declspec(dllexport), and when called from another class (outside that class's dll's boundaries), I of course got the my unresolved external error.
Still, easy to forget when you're changing an internal helper class to a one accessible from elsewhere, so if you'r...
Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
...aining the inputs, or just directly to the input.
This stops autocomplete from working and prevents the browser from remembering the state of input fields.
Alternatively, you can just "hard-refresh" by clicking CTRL+F5. This will completely reset the current page.
...