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Check if an array is empty or exists
...;& image_array.length > 0) {
// the array is defined and has at least one element
}
Your problem may be happening due to a mix of implicit global variables and variable hoisting. Make sure you use var whenever declaring a variable:
<?php echo "var image_array = ".json_encode($images...
How to suppress Java warnings for specific directories or files such as generated code
...pse 3.7 or lower: The user "Marc" commenting on that ticket created (or at least links to) a plugin called 'warningcleaner' in comment 35. I'm using that with a lot of success while waiting for this feature to be integrated into Eclipse.
It's really quite simple:
Install plugin.
Right-click proje...
Calling remove in foreach loop in Java [duplicate]
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The advantage of the above method is that you (or at least most people) don't have to google for "java iterator example" but can write it immediately, by memory.
– Serafeim
Oct 18 '17 at 20:49
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How can I escape white space in a bash loop list?
... I think -exec [name] {} + is a GNU and 4.4-BSD extension. (At least, it doesn't appear on Solaris 8, and I don't think it was in AIX 4.3 either.) I guess the rest of us may be stuck with piping to xargs...
– Michael Ratanapintha
Nov 19 '08 at 6:00...
Permanently add a directory to PYTHONPATH?
...the start of your .bashrc file. This post agrees with me. On my system, at least, it's not even necessary.
– LondonRob
Apr 14 '14 at 10:00
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How to highlight a current menu item?
... empty hashes (e.g. example.com/# or just example.com) it needs to have at least example.com/#/ or just example.com#/. But this happens automatically with ngResource and the like.
And here is the fiddle: http://jsfiddle.net/gy2an/8/
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Android Studio doesn't see device
...like "yeah right.." then thought "well, ..84 up-votes, I guess I should at least rule it out." Glad I did and didn't waste anymore time.
– elrobis
Aug 24 at 23:19
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Multiple line code example in Javadoc comment
...side {@code ...multiline...} then javadoc fails to parse it correctly:( At least this is what I see with Oracle JDK1.7.0_45 javadoc implementation.
– Male
Jan 3 '14 at 16:14
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Create PostgreSQL ROLE (user) if it doesn't exist
...th CREATE TABLE there is no IF NOT EXISTS clause for CREATE ROLE (up to at least pg 12). And you cannot execute dynamic DDL statements in plain SQL.
Your request to "avoid PL/pgSQL" is impossible except by using another PL. The DO statement uses plpgsql as default procedural language. The syntax al...
Catch Ctrl-C in C
...likely also work without the volatile keyword when the while loop calls at least one non-inline function.
– Johannes Overmann
May 20 '13 at 11:05
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