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How to show the last queries executed on MySQL?
...n server though, it's a performance killer.
Edit your MySQL config, e.g. /etc/mysql/my.cnf - look for, or add, a line like this
[mysqld]
log = /var/log/mysql/mysql.log
Restart mysql to pick up that change, now you can
tail -f /var/log/mysql/mysql.log
Hey presto, you can watch the queries as ...
What is an existential type?
...definition, list all possible uses, their relation to abstract data types, etc.) because I'm simply not knowledgeable enough for that. I'll demonstrate only (using Java) what this HaskellWiki article states to be the principal effect of existential types:
Existential types can be used for severa...
How to convert JSON string to array
...d keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the official, built-in json_decode()? What does var_dump(json_decode($str, true)); return?
– RickN
Sep 22 '11 at 15:34
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When is it appropriate to use UDP instead of TCP? [closed]
... of the issues imposed by UDP (packet loss, packet doubling, packet order, etc.) already mentioned in other answers. There are rarely any problems, but they do sometimes occur and so must be handled. The benefit to supporting UDP is that we are able to customize it a bit to our own usage and tweak...
How to initialize a vector in C++ [duplicate]
...p;arr[0]+N; }
And then you can do this without having to repeat the size all over:
int vv[] = { 12,43 };
std::vector<int> v(begin(vv), end(vv));
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Bower and devDependencies vs dependencies
...d scripts, e.g. unit testing, packaging scripts, documentation generation, etc.
dependencies are required for production use, and assumed required for dev as well.
Including devDependencies within dependencies, as you have it, won't be harmful; the module will just bundle more files (bytes) during...
Could not load file or assembly 'Newtonsoft.Json' or one of its dependencies. Manifest definition do
...
To solve this, I ensured all my projects used the same version by running the following command and checking the results:
update-package Newtonsoft.Json -reinstall
And, lastly I removed the following from my web.config:
<dependentAssembly>...
Change multiple files
... or partial content in situations where disk space is exhausted, etc.
Tried
sed -i '.bak' 's/old/new/g' logfile*
and
for i in logfile*; do sed -i '.bak' 's/old/new/g' $i; done
Both work fine.
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What's the equivalent of use-commit-times for git?
... simple --with-timestamps option for git checkout and friends (clone, pull etc), at the user's discretion.
Both Bazaar and Mercurial stores metadata. Users can apply them or not when checking out. But in git, since original timestamps are not even available in the repo, there is no such option.
So...
XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
I'm trying to create a website that can be downloaded and run locally by launching its index file.
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