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How do I parse a URL query parameters, in Javascript? [duplicate]
...eURIComponent was used in this function.
function getJsonFromUrl(url) {
if(!url) url = location.search;
var query = url.substr(1);
var result = {};
query.split("&").forEach(function(part) {
var item = part.split("=");
result[item[0]] = decodeURIComponent(item[1]);
});
return...
How to identify server IP address in PHP
How can I identify the server IP address in PHP?
15 Answers
15
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How to pass all arguments passed to my bash script to a function of mine? [duplicate]
... That is "$@" is equivalent to "$1" "$2" "$3"....
Passing some arguments:
If you want to pass all but the first arguments, you can first use shift to "consume" the first argument and then pass "$@" to pass the remaining arguments to another command. In bash (and zsh and ksh, but not in plain POSIX...
Javascript: How to check if a string is empty? [duplicate]
...
I check length.
if (str.length == 0) {
}
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sed beginner: changing all occurrences in a folder
...d file.
Notes:
The -i argument for sed command is a GNU extension, so, if you are running this command with the BSD's sed you will need to redirect the output to a new file then rename it.
The find utility does not implement the -exec argument in old UNIX boxes, so, you will need to use a | xarg...
How to read from stdin line by line in Node
...
I think you can just change process.stdout to a different writable stream — it could be as simple as output: new require('stream').Writable()
– Jeff Sisson
Nov 20 '13 at 4:45
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html select only one checkbox in a group
...the handler, 'this' refers to the box clicked on
var $box = $(this);
if ($box.is(":checked")) {
// the name of the box is retrieved using the .attr() method
// as it is assumed and expected to be immutable
var group = "input:checkbox[name='" + $box.attr("name") + "']";
// t...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
...o be hashable; runtime will be in O(n), where n is the size of the lists.
If the elements are also unique, you can also convert to sets (same asymptotic runtime, may be a little bit faster in practice):
set(x) == set(y)
If the elements are not hashable, but sortable, another alternative (runtime...
How to make a node.js application run permanently?
... it's stdout and stderr is still pointed at the terminal. This means that if the node server writes to console.log or console.error it will receive a broken pipe error and crash. This can be avoided by piping the output of your process:
node /srv/www/MyUserAccount/server/server.js > stdout.txt...
Return Boolean Value on SQL Select Statement
...
What you have there will return no row at all if the user doesn't exist. Here's what you need:
SELECT CASE WHEN EXISTS (
SELECT *
FROM [User]
WHERE UserID = 20070022
)
THEN CAST(1 AS BIT)
ELSE CAST(0 AS BIT) END
...