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java: ArrayList - how can i check if an index exists?
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@SSpoke ... While I agree, try/catch is far from 'a good' answer; it will address the problem when the list is sparse. I prefer the suggestion to use an array: Object[] ary; below or a hash.
– will
Nov 4 '14 at 2:16
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Is there a limit to the length of a GET request? [duplicate]
...d for human readability. That's one particular usage of GET HTTP, but far from the only one.
– DougW
Feb 10 '12 at 19:19
4
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How to check that a string is an int, but not a double, etc.?
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How about using ctype_digit?
From the manual:
<?php
$strings = array('1820.20', '10002', 'wsl!12');
foreach ($strings as $testcase) {
if (ctype_digit($testcase)) {
echo "The string $testcase consists of all digits.\n";
} else {
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TypeError: Illegal Invocation on console.log.apply
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It may not work in cases when execution context changed from console to any other object:
This is expected because console.info expects its "this" reference to
be console, not window.
console.info("stuff")
stuff
undefined
console.info.call(this, "stuff")
TypeError: Illegal ...
Creating a favicon [closed]
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FaviconGenerator.com also provides access to their API from node/grunt/gulp.
– Matt
Jul 6 '17 at 0:56
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Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...gical unit at a time. The classic example is working with large resultsets from a database: most programmers fetch the entire resultset into an array and then loop over it one or more times with foreach(). It is much more memory efficient to use a while() loop to fetch and process one row at a time....
Calculate distance between two points in google maps V3
...e distance between two markers in Google maps V3? (Similar to the distanceFrom function inV2.)
15 Answers
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Where does PHP store the error log? (php5, apache, fastcgi, cpanel)
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I guess the issue from @Hi-Angel was trying to run an actual PHP tag (instead of pure PHP code) through... PHP shell (php -a)
– igorsantos07
Jun 19 at 7:01
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Coalesce function for PHP?
...ng func_get_args() inside the foreach (here as $arg) won't change anything from a performance point of view.
– Savageman
Dec 12 '09 at 1:47
7
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Set a cookie to never expire
...ld be taken into account of 2038 unix bug when setting 20 years in advance from the current date which is suggest as the correct answer above.
Your cookie on January 19, 2018 + (20 years) could well hit 2038 problem depending on the browser and or versions you end up running on.
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