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How to generate .json file with PHP?

...rom Posts limit 20"; $response = array(); $posts = array(); $result=mysql_query($sql); while($row=mysql_fetch_array($result)) { $title=$row['title']; $url=$row['url']; $posts[] = array('title'=> $title, 'url'=> $url); } $response['posts'] = $posts; $fp = fopen('results.json', 'w...
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In php, is 0 treated as empty?

... In case of numeric values you should use is_numeric function: $var = 0; if (is_numeric($var)) { echo "Its not empty"; } else { echo "Its empty"; } share | ...
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Link to add to Google calendar

...p;location=[location] &trp=false &sprop= &sprop=name:" target="_blank" rel="nofollow">Add to my calendar</a> Here's a form which will help you construct such a link if you want (mentioned in earlier answers): https://support.google.com/calendar/answer/3033039 Edit: This link ...
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How to make a smooth image rotation in Android?

... that I'm using as a custom cyclical spinner in Android. Here's my rotate_indefinitely.xml file, which I placed in res/anim/ : ...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

... Yes, that's guaranteed. Moreover, *begin() gives you the smallest and *rbegin() the largest element, as determined by the comparison operator, and two key values a and b for which the expression !compare(a,b) && !compare(b,a) is true are considered equal. The default comparis...
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UIButton: set image for selected-highlighted state

....highlighted]) To set the background image we can use setBackgroundImage(_:for:) Swift 2.x // Normal button.setImage(UIImage(named: "image1"), forState: .Normal) // Highlighted button.setImage(UIImage(named: "image2"), forState: .Highlighted) // Selected button.setImage(UIImage(named: "image3"...
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Make an image width 100% of parent div, but not bigger than its own width

... If the image is smaller than parent... .img_100 { width: 100%; } share | improve this answer | follow | ...
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How to find day of week in php in a specific timezone

... Another quick way: date_default_timezone_set($userTimezone); echo date("l"); share | improve this answer | follow ...
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mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
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Refresh image with a new one at the same url

... + new Date().getTime(); This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache. share ...