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Redis connection to 127.0.0.1:6379 failed - connect ECONNREFUSED
...
After you install redis, type from terminal:
redis-server
and you'll have redis running
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What is the best way to do GUIs in Clojure?
...core))
(defn handler
[event]
(alert event
(str "<html>Hello from <b>Clojure</b>. Button "
(.getActionCommand event) " clicked.")))
(-> (frame :title "Hello Swing" :on-close :exit
:content (button :text "Click Me" :listen [:action handler]))
pack!
s...
Hide separator line on one UITableViewCell
...ll also change the cell content's left inset. Not just the separator line. From apple doc: "You can use this property to add space between the current cell’s contents and the left and right edges of the table. Positive inset values move the cell content and cell separator inward and away from the ...
HTTPS and SSL3_GET_SERVER_CERTIFICATE:certificate verify failed, CA is OK
...sing XAMPP for development. Recently I upgraded my installation of xampp from an old version to 1.7.3.
12 Answers
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String concatenation vs. string substitution in Python
...rflow.com/questions/1000'
>>> t1 = timeit.Timer('so_q_sub(1000)','from __main__ import so_q_sub')
>>> t2 = timeit.Timer('so_q_cat(1000)','from __main__ import so_q_cat')
>>> t1.timeit(number=10000000)
12.166618871951641
>>> t2.timeit(number=10000000)
5.78139721668...
When should I use Memcache instead of Memcached?
...d is an easy preventive system for stale data. Whenever you pull something from the cache, you can receive with it a cas token (a double number). You can than use that token to save your updated object. If no one else updated the value while your thread was running, the swap will succeed. Otherwise ...
Pros and cons of Java rules engines [closed]
...and Drools?
Use a rule engine if you need to separate the business rules from the application logic. The Does Your Project Need a Rule Engine article has a good example:
For example, a typical storefront
system might involve code to calculate
a discount:
if (product.quantity > 100 &...
How to debug .htaccess RewriteRule not working
...st every rewritelog detail.
UPDATE
Things have changed in Apache 2.4:
FROM Upgrading to 2.4 from 2.2
The RewriteLog and RewriteLogLevel directives have been removed. This functionality is now provided by configuring the appropriate level of logging for the mod_rewrite module using the LogLe...
How to articulate the difference between asynchronous and parallel programming?
...ender the animation takes a long time so if you were to launch that render from within your animation editing software you would make sure it was running asynchronously so it didn't lock up your UI and you could continue doing other things. Now, each frame of that animation can also be considered as...
Negative weights using Dijkstra's Algorithm
...neral. For example, consider this graph:
Assume the edges are directed from left to right as in your example,
Your algorithm will work as follows:
First, you set d(A) to zero and the other distances to infinity.
You then expand out node A, setting d(B) to 1, d(C) to zero, and d(D) to 99.
Nex...