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How do I check that multiple keys are in a dict in a single pass?
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For Python 2 switch the order: d.viewkeys() >= set(q). I came here trying to find out why the order matters!
– Veedrac
Apr 28 '14 at 6:09
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?
...ient, by default it will copy the network stream into a memory stream. In order to use HttpClient in the same way that you are currently using HttpWebRquest you would need to do
var requestMessage = new HttpRequestMessage() {RequestUri = URL};
Task<HttpResponseMessage> getTask = httpClient.S...
What GRANT USAGE ON SCHEMA exactly do?
...ontains it then you can't access the table.
The rights tests are done in order:
Do you have `USAGE` on the schema?
No: Reject access.
Yes: Do you also have the appropriate rights on the table?
No: Reject access.
Yes: Check column privileges.
Your confusion may ari...
Using openssl to get the certificate from a server
...osts on a single IP address) you will need to send the correct hostname in order to get the right certificate.
openssl s_client -showcerts -servername www.example.com -connect www.example.com:443 </dev/null
Without SNI
If the remote server is not using SNI, then you can skip -servername param...
What should Xcode 6 gitignore file include?
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Completely cancel a rebase
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Razor comment syntax
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SQL to find the number of distinct values in a column
...quency:
SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name ORDER BY 2 DESC;
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How to check file MIME type with javascript before upload?
...es prior to reading? fileReader.readAsArrayBuffer(blob.slice(0,4))? (2) In order to copy/paste file signatures, shouldn't the header be constructed with leading 0's for(var i = 0; i < bytes.length; i++) { var byte = bytes[i]; fileSignature += (byte < 10 ? "0" : "") + byte.toString(16); } ?
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What is the difference between RDF and OWL? [closed]
...ntology.
OWL specification defines exactly what you can write with RDF in order to have valid ontology.
Ontologies can have several properties.
Thats why OWL (ver 1) defines several versions like OWL DL, OWL Lite, OWL Full.
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