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MySQL connection not working: 2002 No such file or directory
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Explanation of JSONB introduced by PostgreSQL
..."foo":"bar"}], {"foo":"bar","baz":[null]} - hstore is just a little subset compared to what JSON is capable (but if you only need this subset, it's fine).
The only difference between json & jsonb is their storage:
json is stored in its plain text format, while
jsonb is stored in some binary r...
Why should I avoid std::enable_if in function signatures
...ON_REQUIRES macro here, makes it much nicer to read, and it works in C++03 compilers as well, and it relies on using enable_if in the return type. Also, using enable_if in function template parameters causes problems for overloading, because now the function signature aren't unique causing ambiguous...
How to remove the querystring and get only the url?
...echniques should be avoided.
A demonstration:
$urls = [
'www.example.com/myurl.html?unwantedthngs#hastag',
'www.example.com/myurl.html'
];
foreach ($urls as $url) {
var_export(['strtok: ', strtok($url, '?')]);
echo "\n";
var_export(['strstr/true: ', strstr($url, '?', true)]); ...
When to use IList and when to use List
...change to some other better type without forcing all of your clients to re-compile/update.
– Ash
Sep 12 '10 at 8:53
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Get key by value in dictionary
...re constructive. A perfectly reasonable use case is not "unintended" (list comprehension fits such a use case anyway). A dict can be for multiple things at different times; keys and values have a clear meaning, of course, but "dict items with a given value" is a perfectly reasonable request. The rec...
Algorithm for Determining Tic Tac Toe Game Over
...t about how many lines your solution consists of, it's about reducing time complexity of the algorithm to check for a winner.
– Shady
Feb 13 '15 at 11:00
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How do I manage MongoDB connections in a Node.js web application?
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The primary committer to node-mongodb-native says:
You open do MongoClient.connect once when your app boots up and reuse
the db object. It's not a singleton connection pool each .connect
creates a new connection pool.
So, to an...
How to link to apps on the app store
... to either a single app, all
your apps, or to a specific app with
your company name specified.
To send customers to a specific
application:
http://itunes.com/apps/appname
To send
customers to a list of apps you have
on the App Store:
http://itunes.com/apps/developername
...
How do I get a list of all subdomains of a domain? [closed]
...so the only way around it would be via brute force (i.e. dig a.some_domain.com, dig b.some_domain.com, ...), which I can't recommend, as it could be viewed as a denial of service attack.
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