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What's a good rate limiting algorithm?
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A Token Bucket is fairly simple to implement.
Start with a bucket with 5 tokens.
Every 5/8 seconds: If the bucket has less than 5 tokens, add one.
Each time you want to send a message: If the bucket has ≥1 token, take one token out and send the message. Otherwise, wa...
What does the brk() system call do?
...e-mmap) Unix the data segment was continuous with the heap; before program start, the kernel would load the "text" and "data" blocks into RAM starting at address zero (actually a little above address zero, so that the NULL pointer genuinely didn't point to anything) and set the break address to the ...
Warning the user/local/mysql/data directory is not owned by the mysql user
I can't start the mysql service in Snow Leopard, and in the panel prefs appears the message,
2 Answers
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WaitAll vs WhenAll
...enAll(taskArray) the output is as follows.
19/11/2016 12:18:37 AM: Task 1 started
19/11/2016 12:18:37 AM: Task 3 started
19/11/2016 12:18:37 AM: Task 2 started
Caught Exception in Main at 19/11/2016 12:18:40 AM: Task 1 throwing at 19/11/2016 12:18:38 AM
Done.
When the program below is executed wi...
Javascript calculate the day of the year (1 - 366)
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Following OP's edit:
var now = new Date();
var start = new Date(now.getFullYear(), 0, 0);
var diff = now - start;
var oneDay = 1000 * 60 * 60 * 24;
var day = Math.floor(diff / oneDay);
console.log('Day of year: ' + day);
Edit: The code above will fail when now ...
How to start working with GTest and CMake
...n sold on using CMake for compiling my C++ projects, and would now like to start writing some unit tests for my code. I have decided to use the Google Test utility to help with this, but require some help in getting started.
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...as "the Gmail three-fragment animation" scenario. Specifically, we want to start with two fragments, like this:
6 Answers
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How can I get the actual stored procedure line number from an error message?
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IIRC, it starts counting lines from the start of the batch that created that proc. That means either the start of the script, or else the last "GO" statement before the create/alter proc statement.
An easier way to see that is to pu...
How to dismiss notification after action has been clicked
...: Basically, you add the notification tag and id to your intent which gets started when your action is pressed. With that extra information, you can check in the starting activity whether it was started via a notifcation action.
– endowzoner
Dec 19 '12 at 8:43
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psql: could not connect to server: No such file or directory (Mac OS X)
Upon restarting my Mac I got the dreaded Postgres error:
21 Answers
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