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Programmatically retrieve memory usage on iPhone
... 1048576));
} else {
NSLog(@"Error with task_info(): %s", mach_error_string(kerr));
}
}
There is also a field in the structure info.virtual_size which will give you the number of bytes available virtual memory (or memory allocated to your application as potential virtual memory in any even...
Computed / calculated / virtual / derived columns in PostgreSQL
...l, but makes makes life a bit easier).
Suppose my computation is md5(some_string_field), then I create the index as:
CREATE INDEX some_string_field_md5_index ON some_table(MD5(some_string_field));
Now, any queries that act on MD5(some_string_field) will use the index rather than computing it fr...
How do I enumerate through a JObject?
...or JObject, you will see that it implements IEnumerable<KeyValuePair<string, JToken>>. So, you can iterate over it simply using a foreach:
foreach (var x in obj)
{
string name = x.Key;
JToken value = x.Value;
…
}
...
How do I store an array in localStorage? [duplicate]
...
localStorage only supports strings. Use JSON.stringify() and JSON.parse().
var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));
//...
var storedNames = JSON.parse(localStorage.getItem("names"));...
How to add a Timeout to Console.ReadLine()?
...read;
private static AutoResetEvent getInput, gotInput;
private static string input;
static Reader() {
getInput = new AutoResetEvent(false);
gotInput = new AutoResetEvent(false);
inputThread = new Thread(reader);
inputThread.IsBackground = true;
inputThread.Start();
}
...
What's the best way to store a group of constants that my program uses? [closed]
I have various constants that my program uses... string 's, int 's, double 's, etc... What is the best way to store them? I don't think I want an Enum , because the data is not all the same type, and I want to manually set each value. Should I just store them all in an empty class? Or is there a ...
Remove a prefix from a string [duplicate]
...e behavior of the new function is exactly as in this answer (returning the string unchanged if it does not start with prefix)
– Elazar
May 27 at 23:50
...
How to send JSON instead of a query string with $.ajax?
...lain in an easy way how to make jQuery send actual JSON instead of a query string?
4 Answers
...
Convert Object to JSON string
jQuery.parseJSON('{"name":"John"}') converts string representation to object
but I want the reverse. Object is to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
...
Java List.contains(Object with field value equal to x)
... this:
public boolean containsName(final List<MyObject> list, final String name){
return list.stream().filter(o -> o.getName().equals(name)).findFirst().isPresent();
}
Or alternatively, you could try something like this:
public boolean containsName(final List<MyObject> list, f...