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Using OpenSSL what does “unable to write 'random state'” mean?
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Yes, if you run from php web server, the user is www-data, and you should add "export" before every openssl: shell_exec('export RANDFILE=".rnd";openssl ecparam -genkey -name secp256k1'))
– diyism
Jun 21 '13...
How do I convert an object to an array?
...es with nested objects.
in your case you have to do something like;
<?php
print_r(get_object_vars($response->response->docs));
?>
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How to Batch Rename Files in a macOS Terminal?
...ing pattern _*_ is replaced with literal _, effectively cutting the middle token from the name.
Note that _*_ is a pattern (a wildcard expression, as also used for globbing), not a regular expression (to learn about patterns, run man bash and search for Pattern Matching).
If you find yourself ba...
How do you clear a slice in Go?
...o reuse the slice (and the underlying array storage) so I'm not constantly allocating a new slice (with array). I've edited my question to clarify and to show some example code from the standard library.
– Chris Weber
Jun 7 '13 at 15:19
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How do I trim whitespace?
...er will merge the words and you'll no longer be able to use .split(" ") to tokenize.
– user3467349
Feb 13 '15 at 19:20
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How do I get currency exchange rates via an API such as Google Finance? [closed]
... "USDIDR", "USDILS", "USDINR", "USDKRW", "USDMXN", "USDMYR", "USDNZD", "USDPHP", "USDSGD", "USDTHB", "USDZAR", "USDISK")&env=store://datatables.org/alltableswithkeys][1]
Here is the YQL query builder, where you can test a query and copy the url: (NO LONGER AVAILABLE)
http://developer.yahoo.com/y...
How can I get the sha1 hash of a string in node.js?
...hing the UTF-8 representation of the string. Other languages (like Python, PHP or PERL...) are hashing the byte string.
We can add binary argument to use the byte string.
const crypto = require("crypto");
function sha1(data) {
return crypto.createHash("sha1").update(data, "binary").digest("hex...
Can I use my existing git repo with openshift?
... | 0 bytes/s, done.
Total 3 (delta 2), reused 0 (delta 0)
remote: Stopping PHP 5.4 cartridge (Apache+mod_php)
remote: Waiting for stop to finish
remote: Waiting for stop to finish
remote: Building git ref 'master', commit 3fc96b2
remote: Preparing build for deployment
remote: Deployment id is 9037d3...
C++ valarray vs. vector
...ided to use std::vector while paying close attention to things like memory allocation and temporary object creation.
Both std::vector and std::valarray store the data in a contiguous block. However, they access that data using different patterns, and more importantly, the API for std::valarray e...
How to execute mongo commands through shell scripts?
...o\"},{$set:{\"this\":\"that\"}});"
> E QUERY SyntaxError: Unexpected token :
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