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httpd: Could not reliably determine the server's fully qualified domain name, using 127.0.0.1 for Se

I tried to restart my Apache server on CentOS 5.0 and got this message: 11 Answers 11 ...
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CodeIgniter removing index.php from url

... Try the following Open config.php and do following replaces $config['index_page'] = "index.php" to $config['index_page'] = "" In some cases the default setting for uri_protocol does not work properly. Just replace $config['uri_protocol'] ="AUTO" by...
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How to concatenate and minify multiple CSS and JavaScript files with Grunt.js (0.3.x)

Note: This question is only relevant for Grunt 0.3.x and has been left for reference. For help with the latest Grunt 1.x release please see my comment below this question. ...
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Can you do this HTML layout without using tables?

...wrong with using the tools that are available to you to do the job quickly and correctly. In this case a table worked perfectly. I personally would have used a table for this. I think nested tables should be avoided, things can get messy. ...
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How to set a Header field on POST a form?

...query (although you can do it with plain javascript) to serialize the form and send (using AJAX) while adding your custom header. Look at the jquery serialize which changes an HTML FORM into form-url-encoded values ready for POST. UPDATE My suggestion is to include either a hidden form elemen...
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Standardize data columns in R

I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages. 15 ...
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How do the post increment (i++) and pre increment (++i) operators work in Java?

...=> i=5 + 7 + 8; (a=8) The main point is that ++a increments the value and immediately returns it. a++ also increments the value (in the background) but returns unchanged value of the variable - what looks like it is executed later. ...
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What is the difference between gravity and layout_gravity in Android?

I know we can set the following values to the android:gravity and android:layout_gravity properties: 20 Answers ...
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]

... a lockfile approach. If you acquire the lock, proceed else show a message and exit. As an example: [Terminal #1] $ lockfile -r 0 /tmp/the.lock [Terminal #1] $ [Terminal #2] $ lockfile -r 0 /tmp/the.lock [Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock" [Terminal #1] $ rm -f /tmp/the....
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Proper way to wait for one function to finish before continuing?

...function firstFunction(_callback){ // do some asynchronous work // and when the asynchronous stuff is complete _callback(); } function secondFunction(){ // call first function and pass in a callback function which // first function runs when it has completed firstFunctio...