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cleanest way to skip a foreach if array is empty [duplicate]
...h ((array) $items as $item) {
print $item;
}
Note: to all the people complaining about typecast, please note that the OP asked cleanest way to skip a foreach if array is empty (emphasis is mine). A value of true, false, numbers or strings is not considered empty.
In addition, this would work w...
Android, How can I Convert String to Date?
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Rendering JSON in controller
...ices.yoursite.com your JavaScript will not (by default) be able to make XMLHttpRequest (XHR - aka ajax) requests from services to api. The way people have been sneaking around that limitation (before the Cross-Origin Resource Sharing spec was finalized) is by sending the JSON data over from the ser...
Changing image size in Markdown
...
Does not work, but the HTML <img src=http//... width="..." height="..."> works.
– BK Batchelor
Jul 20 '16 at 3:37
...
Change x axes scale in matplotlib
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Execute the setInterval function without delay the first time
...interval with immediate execution
var myInterval = setIntervalImmediately( _ => {
console.log('hello');
}, 1000);
// clear interval after 4.5 seconds
setTimeout( _ => {
clearInterval(myInterval);
}, 4500);
To be cheeky, if you really need to use setInterval then you ...
Python: try statement in a single line
... I wanted to write up a sequence of actions for debugging:
exec "try: some_problematic_thing()\nexcept: problem=sys.exc_info()"
print "The problem is %s" % problem[1]
For the most part, I'm not at all bothered by the no-single-line-try-except restriction, but when I'm just experimenting and I wan...
What does the red exclamation point icon in Eclipse mean?
...ed exclamation on my projects.
I got some more information from this guy:
http://www.mkyong.com/maven/how-to-configure-m2_repo-variable-in-eclipse-ide/
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How to write multiple line string using Bash with variables?
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MySQL CONCAT returns NULL if any field contain NULL
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