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What is PECS (Producer Extends Consumer Super)?
...h element will behave as a Thing when you perform your operation. (You actually cannot add anything to a Collection<? extends Thing>, because you cannot know at runtime which specific subtype of Thing the collection holds.)
Case 2: You want to add things to the collection.
Then the list is a ...
How Scalable is SQLite? [closed]
...
Yesterday I released a small site* to track your rep that used a shared SQLite database for all visitors. Unfortunately, even with the modest load that it put on my host it ran quite slowly. This is because the entire database was locked every time s...
How to find NSDocumentDirectory in Swift?
...the compiler thinks NSSearchPathDirectory:0 is an array, and of course it expects the type NSSearchPathDirectory instead. Certainly not a helpful error message.
But as to the reasons:
First, you are confusing the argument names and types. Take a look at the function definition:
func NSSearchPathF...
Get application version name using adb
...y package I have tried to look up on my tablet (android 2.2). On my phone all the version information is there (android 2.3).
– frognosis
Aug 13 '12 at 23:08
...
Iterate through object properties
... check:
for (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}
It's necessary because an object's prototype contains additional properties for the object which are technically part of the object. These additional properties are inherited fr...
Repeat command automatically in Linux
...ive option makes highlighting "sticky", presenting a
running display of all positions that have ever changed. The -t
or --no-title option turns off the header showing the interval,
command, and current time at the top of the display, as well as the
following blank line.
Linux/Unix ma...
anchor jumping by using javascript
...View(); //Even IE6 supports this
(Well I lied. It's not complicated at all.)
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Setting unique Constraint with fluent API?
...ut not so with a Unique Constraint. I was seeing old posts that suggested executing native SQL commands for this, but that seem to defeat the purpose. is this possible with EF6?
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Haskell export current module with additional imported module
Is it possible to write a module in Haskell, which re-exports a module in addition to exporting everything visible inside?
...
How to open the default webbrowser using java
... but the program the user has linked it with.... This is not a solution at all!
– thesaint
May 7 '15 at 20:12
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