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Accessing private member variables from prototype-defined functions
...efined on a prototype are not defined within the scope of the constructor, and will not have access to the constructor's local variables.
You can still have private variables, but if you want methods defined on the prototype to have access to them, you should define getters and setters on the this ...
How do I create a parameterized SQL query? Why Should I?
...in your fuz variable (or don't, if you value your bar table). More subtle and damaging queries are possible as well.
Here's an example of how you do parameters with Sql Server:
Public Function GetBarFooByBaz(ByVal Baz As String) As String
Dim sql As String = "SELECT foo FROM bar WHERE baz= @B...
How to make an app's background image repeat
I have set a background image in my app, but the background image is small and I want it to be repeated and fill in the whole screen. What should I do?
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Strange out of memory issue while loading an image to a Bitmap object
...n returns from the activity back to the listview activity to the result handler to relaunch my new activity which is nothing more than an image widget.
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Git: How to remove file from historical commit?
... size of the repo won't decrease immediately unless you expire the reflogs and garbage collect:
rm -Rf .git/refs/original # careful
git gc --aggressive --prune=now # danger
share
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improve t...
How to use Swift @autoclosure
...})
// "It's true"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure creates an automatic closure around the expression. So when the caller writes an...
What's the best way of structuring data on firebase?
I am new to firebase and I want to know what's the best way of structuring data on it.
3 Answers
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What is the http-header “X-XSS-Protection”?
...ith HTTP for fun in telnet now (i.e. just typing in telnet google.com 80 and putting in random GETs and POSTs with different headers and the like) but I've come across something that google.com transmits in it's headers that I don't know.
...
Find MongoDB records where array field is not empty
... To me that's the correct approach, since it makes sure the array exists and is not empty.
– LeandroCR
Mar 19 '15 at 14:34
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Simplest way to detect a mobile device in PHP
...Code:
<?php
$useragent=$_SERVER['HTTP_USER_AGENT'];
if(preg_match('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|...