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How to make asynchronous HTTP requests in PHP
Is there a way in PHP to make asynchronous HTTP calls? I don't care about the response, I just want to do something like file_get_contents() , but not wait for the request to finish before executing the rest of my code. This would be super useful for setting off "events" of a sort in my application...
Disable developer mode extensions pop up in Chrome
Since the latest release of chrome (34.0.1847.116) last week, I have been receiving the “Disable developer mode extensions" when running automated tests using watir-webdriver.
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Group by month and year in MySQL
... edited Dec 22 '14 at 8:06
Mark Garcia
16k33 gold badges4848 silver badges9191 bronze badges
answered Jul 29 '10 at 21:03
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Using link_to with embedded HTML
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Two ways. Either:
<%= link_to user_path(@user) do %>
<i class="icon-ok icon-white"></i> Do it@
<% end %>
Or:
<%= link_to '<i class="icon-ok icon-white"></i> Do it@'.html_safe, user_path(@user) %>
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PostgreSQL query to list all table names?
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vyegorovvyegorov
17.8k66 gold badges5050 silver badges7171 bronze badges
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Count cells that contain any text
...parameter for criteria. This basically says, as long as its not empty/blank, count it. I believe this is what you want.
=COUNTIF(A1:A10, "<>")
Otherwise you can use CountA as Scott suggests
share
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Is it possible to get element from HashMap by its position?
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HashMaps do not preserve ordering:
This class makes no guarantees as to
the order of the map; in particular,
it does not guarantee that the order
will remain constant over time.
Take a look at LinkedHashMap, which guarantees a predictable iteration order.
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GET URL parameter in PHP
...construct—it's just a variable (an array). Try:
<?php
echo $_GET['link'];
In particular, it's a superglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword).
Since the variable might not exist, you...
Count immediate child div elements using jQuery
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Garry ShutlerGarry Shutler
30.5k1111 gold badges7777 silver badges118118 bronze badges
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How to install lxml on Ubuntu
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Since you're on Ubuntu, don't bother with those source packages. Just install those development packages using apt-get.
apt-get install libxml2-dev libxslt1-dev python-dev
If you're happy with a possibly older version of lxml altogether though, you could try
apt-get install pyth...