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How to change the order of DataFram>me m> columns?
I have the following DataFram>me m> ( df ):
34 Answers
34
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ElasticSearch: Unassigned Shards, how to fix?
...de_concurrent_recoveries to speed it up.
If you're still seeing issues, som>me m>thing else is probably wrong, so look in your Elasticsearch logs for errors. If you see EsRejectedExecutionException your thread pools may be too small.
Finally, you can explicitly reassign a shard to a node with the rerou...
how to use python to execute a curl command
...ng the Requests library.
An example with json response content would be som>me m>thing like:
import requests
r = requests.get('https://github.com/tim>me m>line.json')
r.json()
If you look for further information, in the Quickstart section, they have lots of working examples.
EDIT:
For your specific curl...
What's quicker and better to determine if an array key exists in PHP?
...
isset() is faster, but it's not the sam>me m> as array_key_exists().
array_key_exists() purely checks if the key exists, even if the value is NULL.
Whereas
isset() will return false if the key exist and value is NULL.
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Ruby off the rails
Som>me m>tim>me m>s it feels that my company is the only company in the world using Ruby but not Ruby on Rails, to the point that Rails has almost becom>me m> synonymous with Ruby.
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How to establish a connection pool in JDBC?
...tandalone connection pool, my preference goes to C3P0 over DBCP (that I've m>me m>ntioned in this previous answer), I just had too much problems with DBCP under heavy load. Using C3P0 is dead simple. From the docum>me m>ntation:
ComboPooledDataSource cpds = new ComboPooledDataSource();
cpds.setDriverClass( "...
How many random elem>me m>nts before MD5 produces collisions?
...y on Amazon S3. For each image, I md5 the source URL on my server plus a tim>me m>stamp to get a unique filenam>me m>. Since S3 can't have subdirectories, I need to store all of these images in a single flat folder.
...
appending array to FormData and send via AJAX
...e several options:
Convert it to a JSON string, then parse it in PHP (recomm>me m>nded)
JS
var json_arr = JSON.stringify(arr);
PHP
$arr = json_decode($_POST['arr']);
Or use @Curios's m>me m>thod
Sending an array via FormData.
Not recomm>me m>nded: Serialize the data with, then deserialize in PHP
JS
// Use <...
How do I simulate a low bandwidth, high latency environm>me m>nt?
... @jstorm31 Thank you. I've updated the answer with the current nam>me m> of the package and current link.
– Jon Colverson
Nov 7 '19 at 18:14
add a comm>me m>nt
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ASP.NET 2.0 - How to use app_offline.htm
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I have used the extrem>me m>ly handy app_offline.htm trick to shut down/update sites in the past without any issues.
Be sure that you are actually placing the "app_offline.htm" file in the "root" of the website that you have configured within IIS.
A...