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What is the reason not to use select *?
... every column in the table, more could be added
later which will be pulled down every time you run the query and
could hurt performance. It hurts performance because
You are pulling more data over the wire; and
Because you might defeat the optimizer's ability to pull the data right out of the in...
Facebook share link without JavaScript
...
You could use
<a href="https://www.facebook.com/sharer/sharer.php?u=#url" target="_blank">Share</a>
Currently there is no sharing option without passing current url as a parameter. You can use an indirect way to achieve this.
Create a ...
Interface defining a constructor signature?
...n abstract base class in tandem with your existing Interface and maybe cut down on the amount of refactoring needed in the future for similar situations. This concept has already been hinted at in some of the comments but I thought it would be worth showing how to actually do it.
So you have your ...
Get user profile picture by Id
...a large, square image (since the square default is small), you have to use https://graph.facebook.com/{facebookId}/picture?type=large&width=720&height=720.
– sudo
Jul 28 '14 at 17:29
...
Different ways of adding to Dictionary
...this:
private void Insert(TKey key, TValue value, bool add)
And further down in the function, this happens:
if ((this.entries[i].hashCode == num) && this.comparer.Equals(this.entries[i].key, key))
{
if (add)
{
ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_...
How to make remote REST call inside Node.js? any CURL?
...
One thing to note is that you don't put http or https in your host entry e.g. var options = { host: graph.facebook.com .... } not {host: http: graph.facebook.com }. That tripped me up for a few cycles. (See below). These are both great answers. Thanks to you both.
...
Two forward slashes in a url/src/href attribute [duplicate]
...as the JS file in your example — could be loaded from either a http or a https context. By using protocol relative URLs, you can avoid implementing
if (window.location.protocol === 'http:') {
myResourceUrl = 'http://example.com/my-resource.js';
} else {
myResourceUrl = 'https://example.com...
Do you need to dispose of objects and set them to null?
...etime, the balloon continues to exist, until the GC "pops" it.
Continuing down the balloon analogy, it would seem logical that once the balloon has no strings attached to it, it can be destroyed. In fact this is exactly how reference counted objects work in non-managed languages. Except this approa...
Allow user to set up an SSH tunnel, but nothing else
... Does restricting port forwarding with permitopen also lock down the kind of tunnel device forwarding that ssh -w asks for?
– flabdablet
May 29 '14 at 19:20
...
Why would $_FILES be empty when uploading files to PHP?
...ttribute of the <input> tag
Try uploading very small files to narrow down whether it's a file-size issue.
Check your available disk space. Although very rare, it is mentioned in this PHP Manual page comment:
If the $_FILES array suddenly goes mysteriously empty, even though your form seems...