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Using PHP with Socket.io
...de stuff and let it be with the connections it has no place in this domain now. Why do anything long-polling when you have websockets or flashsockets.
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Can I set subject/content of email using mailto:?
...y. Enter the strings you want and you'll instantly get the mailto:
mailto.now.sh
????⚡️ Template full emails in a mailto
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How do SQL EXISTS statements work?
...M student WHERE EXISTS (SELECT 1 FROM student WHERE student.id > 1). I know what I wrote could be achieved by one simple WHERE query but I was just using it to understand EXISTS. I got all the rows. Is it indeed due to the fact that I didn't use correlated subquery? Thanks.
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What are the options for storing hierarchical data in a relational database? [closed]
...ierarchy and use Nested Sets to query the hierarchy.
The problem up until now has been that the coversion method from an Adjacecy List to Nested Sets has been frightfully slow because most people use the extreme RBAR method known as a "Push Stack" to do the conversion and has been considered to be ...
Passing enum or object through an intent (the best solution)
...ass).from(intent);
OPTION 3 (with Kotlin):
It's been a while, but since now we have Kotlin, I thought I would add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inline fun <reified T : Enum<T>&g...
Unable to hide welcome screen in Emacs
...s the old version and inhibit-splash-screen is the newer version. I don't know in which version that changed.
http://www.gnu.org/software/emacs/manual/html_node/emacs/Initial-Options.html
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How to manually deprecate members
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Starting Swift 3 and Swift 4, the version number is optional. You can now simply type:
@available(*, deprecated)
func foo() {
// ...
}
Or if you want a message go along with it:
@available(*, deprecated, message: "no longer available ...")
func foo() {
// ...
}
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What is the best way to implement constants in Java? [closed]
... big bad hack), because the constructor of the subclass needs to call the (now private) constructor of its superclass. So, marking it final is unnecessary (but perhaps more explicit).
– import this
Nov 4 '14 at 16:56
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Check if an apt-get package is installed and then install it if it's not on Linux
...recently discovered that dpkg-query used to return 1 on a missing package, now ( Ubuntu 12.04 ) returns 0, causing all sorts of trouble on my jenkins build node setup script! dpkg -s returns 0 on package installed, and 1 on package not installed.
– Therealstubot
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Can we append to a {% block %} rather than overwrite?
...it contents of templates which are before or after the point where you are now. Also I wanted duplicates to be removed. As a result I wrote django-sekizai, which does exactly that. It's similar to blocks, just instead of inheriting them, you extend them.
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