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Replace multiple characters in one replace call
...thing to see that this snippet will still work in freshly installed windows98 on double click/cscript/wscript: var chars = {a:'1', b:'2', c:'3'}; var s = '123abc123'; var u = s.replace(/[abc]/g, function(m) { return chars[m]; }); WScript.echo(u);
– Dmitry
J...
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...
How can I search for a multiline pattern in a file?
...
98
So I discovered pcregrep which stands for Perl Compatible Regular Expressions GREP.
For exampl...
Commands out of sync; you can't run this command now
I am trying to execute my PHP code, which calls two MySQL queries via mysqli, and get the error "Commands out of sync; you can't run this command now".
...
Invalid argument supplied for foreach()
... This is the only thing that worked for me. For some reason, PHP didn't believe that the multidimensional array I built was actually an array of arrays.
– Justin
Jul 29 '15 at 20:21
...
Check whether number is even or odd
...
98
if((x%2)==0)
// even
else
// odd
...
How to get past the login page with Wget?
...=foo&password=bar' \
--delete-after \
http://server.com/auth.php
# Now grab the page or pages we care about.
wget --load-cookies cookies.txt \
http://server.com/interesting/article.php
Make sure the --post-data parameter is properly percent-encoded (especially ampersands!) or t...
Using OpenSSL what does “unable to write 'random state'” mean?
...
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 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...