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How to test if a string is JSON or not?
... a JSON string with useful data or an error message string produced by the PHP function mysql_error() . How can I test whether this data is a JSON string or the error message.
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Logical operators (“and”, “or”) in DOS batch
...s, but what if I am comparing 2 independent values, and not a range? For example, if this file exists or filename == ""
– bakoyaro
Dec 14 '17 at 21:10
1
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How to generate .json file with PHP?
json.php code
8 Answers
8
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How to check if a file is empty in Bash?
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[[ -s file.name ]] && echo "full" || echo "empty"
– McPeppr
Jan 29 '18 at 20:27
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PHP: How to handle
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No, PHP skips CDATA completely for some reason. Any other ideas?
– Angelo
Jun 4 '10 at 0:24
4
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Finding current executable's path without /proc/self/exe
... you must be root to read/follow the symlink. This will make the Boost example and probably the whereami() solutions posted fail.
This post is very long but discusses the actual issues and presents code which actually works along with validation against a test suite.
The best way to find your pr...
Best implementation for hashCode method for a collection
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Best answer IMO, although by way of example I would rather have chosen the JDK7 java.util.Objects.hash(...) method than the guava com.google.common.base.Objects.hashCode(...) method. I think most people would choose the standard library over an extra dependency.
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jQuery animate backgroundColor
...+ ")"
}
});
function b(f) {
var e;
if (f && f.constructor == Array && f.length == 3) {
return f
}
if (e = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(f)) {
return [parseInt(e[1]), pars...
How to merge the current branch into another branch
...gitconfig (~/.gitconfig):
[alias]
merge-to = "!f() { git checkout $1 && git merge $2 && git checkout -; }; f"
so that you can invoke it from any repository as
git merge-to master dev
share
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PHP prepend associative array with literal keys?
... See also array_merge() and its difference from using the + operator: br.php.net/manual/en/function.array-merge.php#92602
– Havenard
Sep 3 '09 at 1:33
2
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