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Volatile boolean vs AtomicBoolean
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They are just totally different. Consider this example of a volatile integer:
volatile int i = 0;
void incIBy5() {
i += 5;
}
If two threads call the function concurrently, i might be 5 afterwards, since the compiled code will be somewh...
How do I use variables in Oracle SQL Developer?
...with UPDATE instead of select?
– Ron Jensen - We are all Monica
Aug 26 '16 at 22:16
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Is there a way to call a stored procedure with Dapper?
...nt b = p.Get<int>("@b");
int c = p.Get<int>("@c");
Additionally you can use exec in a batch, but that is more clunky.
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Ruby get object keys as array
...Hash:
http://ruby-doc.org/core-1.9.3/Hash.html#method-i-keys
You'll find all the different methods available for each class.
If you don't know what you're dealing with:
puts my_unknown_variable.class.to_s
This will output the class name.
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ASP.NET MVC controller actions that return JSON or partial html
...tionMethod() {
return Json(new {foo="bar", baz="Blech"});
}
Then just call the action method using Ajax. You could use one of the helper methods from the ViewPage such as
<%= Ajax.ActionLink("SomeActionMethod", new AjaxOptions {OnSuccess="somemethod"}) %>
SomeMethod would be a javascri...
TransactionScope automatically escalating to MSDTC on some machines?
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Yes, the details are correct, and is anyone actually looking at the code? There are two connections within the transaction scope, however, there is only ever one connection instanced and opened at a single moment in time. Also, no, DTC is not running on the machines that...
Bash script absolute path with OS X
...ee simple steps are going to solve this and many other OS X issues:
Install Homebrew
brew install coreutils
grealpath .
(3) may be changed to just realpath, see (2) output
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How to enable PHP's openssl extension to install Composer?
I am trying to install Laravel in WAMP setup. I am getting a warning message for not enabling openssl which I had already done in WAMP.
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How to set a timer in android
...pplication has acquired a wakeLock and hence you are sure that the phone shall not go into the sleep state. If phone does go to the sleep state then sendMessageDelayed as well as sendMessageAtTime will not work. Hence in that scenario AlarmManager would be reliable choice.
– cr...
To ternary or not to ternary? [closed]
I'm personally an advocate of the ternary operator: () ? : ; I do realize that it has its place, but I have come across many programmers that are completely against ever using it, and some that use it too often.
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