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Apache Kafka vs Apache Storm
...at has distributed real time processing abilities, meaning you can execute all kind of manipulations on real time data in parallel.
The common flow of these tools (as I know it) goes as follows:
real-time-system --> Kafka --> Storm --> NoSql --> BI(optional)
So you have your real time...
Get person's age in Ruby
... of someone born on the 29th February on a leap year. This is because the call to birthday.to_date.change(:year => now.year) creates an invalid date.
I used the following code instead:
require 'date'
def age(dob)
now = Time.now.utc.to_date
now.year - dob.year - ((now.month > dob.month |...
C libcurl get output into a string
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You can set a callback function to receive incoming data chunks using curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, myfunc);
The callback will take a user defined argument that you can set using curl_easy_setopt(curl, CURLOPT_WRITEDATA, p)...
PHP filesize MB/KB conversion [duplicate]
...and 42% more costly to be precise (depending on which if condition $bytes falls into).
– Alix Axel
May 25 '13 at 3:48
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How to recursively find the latest modified file in a directory?
...t seems that ls doesn't sort the files correctly when doing a recursive call:
21 Answers
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“Cannot connect to iTunes Store” in-app purchases
...count you tested a previous IAP on another app with (My scenario). Apple really needs to update the way we test IAPs, I'm running out of emails :0
– David Baez
Jan 23 '18 at 1:38
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python date of the previous month
... cases. I've updated my answer below using try - except which accounts for all cases, although a I hate using exceptions as part of an algorithm.
– Thane Plummer
Jul 16 '15 at 18:40
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Which version of PostgreSQL am I running?
I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases using Navicat or phpPgAdmin (if that helps). I also don't have shell access to the server running the database.
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Brew update failed: untracked working tree files would be overwritten by merge
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Works for me. Literally type this cd $(brew --prefix)
– Saran
Apr 25 '14 at 4:41
13
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How to write file if parent folder doesn't exist?
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If the whole path already exists, mkdirp is a noop. Otherwise it creates all missing directories for you.
This module does what you want: https://npmjs.org/package/writefile . Got it when googling for "writefile mkdirp". This module returns a promise instead of taking a callback, so be sure to r...