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How can I get the SQL of a PreparedStatement?
...the logged output, for prepared statements, the bind arguments are automatically inserted into the SQL output. This greatly Improves readability and debugging for many cases." Very useful for debugging, as long as you're aware that it's not how the statement is actually being executed by the DB ser...
Javascript : Send JSON Object with Ajax?
... JsonConvert.SerializeObject(Model.Select(s => s.ID).ToArray());
Then call the XMLHttpRequest POST and stringify the object
var ajax = new XMLHttpRequest();
ajax.open("POST", '@Url.Action("MyAction", "MyController")', true);
ajax.responseType = "blob";
ajax.setRequestHeader("Content-Type", "ap...
Lock, mutex, semaphore… what's the difference?
... ownership, thread termination notification, recursion (multiple 'acquire' calls from same thread) and 'priority inversion avoidance'.
[Interprocess capability, very safe to use, a kind of 'high level' synchronization object].
3) Counting Semaphore (aka Semaphore)= Kernel object used for allowing...
psycopg2: insert multiple rows with one query
...
My inserts didn't get registered properly until I called connection.commit() after the execute_values(...).
– Philipp
Aug 18 at 15:24
...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...ke a button click - gives an exception. In that case, the asynctask can be called in the onStart method on the MainActivity, not in the onCreate method.
– ʕ ᵔᴥᵔ ʔ
Dec 9 '16 at 8:15
...
Foreign keys in mongo?
...kind of document – with any kind of data – in a single collection. Basically, in a NoSQL database it is up to you to decide how to organise the data and its relations, if there are any.
What Mongoid and MongoMapper do is to provide you with convenient methods to set up relations quite easily. C...
Android WebView: handling orientation changes
... by overrwriting onSaveInstanceState(Bundle outState) in your activity and calling saveState from the webview:
protected void onSaveInstanceState(Bundle outState) {
webView.saveState(outState);
}
Then recover this in your onCreate after the webview has been re-inflated of course:
pub...
How do I get the value of text input field using JavaScript?
...If you want it to be a proper javascript object so that you can programmatically access each property, just do: var input = JSON.parse(document.getElementById("input_id").value);
– JakeJ
Jul 16 '19 at 13:33
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Why am I getting a “401 Unauthorized” error in Maven?
... added another declaration with a unique ID for our same release repo (basically an alias). This allowed projects that required the unique name to refer to that, and the older projects that used the identical names to refer to them. Our master-pom refers to the identical.
– d...
What is the proper way to check for existence of variable in an EJS template (using ExpressJS)?
...
@Zikes In this case I'm looking specifically for EJS, so it's on the browser page. But, like TJ said, typeof foo == 'undefined' works. I learned that I could also add a simple !!foo if foo has been defined but is null or empty.
– Aashay Des...