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Installing PDO driver on MySQL Linux server

... On Ubuntu you should be able to install the necessary PDO parts from apt using sudo apt-get install php5-mysql There is no limitation between using PDO and mysql_ simultaneously. You will however need to create two connections to your DB, one with mysql_ and o...
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What's the best way to parse command line arguments? [closed]

... will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is also self-documenting in that you declare the help argument (which will be used when run with -h/--help) right there with the option. Usually you parse your...
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How can I have a newline in a string in sh?

...rom the Bash manual page: Words of the form $'string' are treated specially. The word expands to string, with backslash-escaped characters replaced as specified by the ANSI C standard. Backslash escape sequences, if present, are decoded as follows: \a alert (bell) ...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead... A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...
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What is the best open-source java charting library? (other than jfreechart) [closed]

...s4j which is a charts and graphs API. It enables developers to programmatically create the charts available in the Google Chart API through a straightforward and intuitive Java API. Disclaimer: I wrote charts4j. We will be doing another major release in the next few weeks. ...
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How to obtain a Thread id in Python?

... Using the logging module you can automatically add the current thread identifier in each log entry. Just use one of these LogRecord mapping keys in your logger format string: %(thread)d : Thread ID (if available). %(threadName)s : Thread name (if available). a...
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How to Execute a Python File in Notepad ++?

... this calls cmd window. can we call powershell instead? – Enthusiastic Engineer Nov 10 '19 at 8:31 add a co...
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How to use the IEqualityComparer

I have some bells in my database with the same number. I want to get all of them without duplication. I created a compare class to do this work, but the execution of the function causes a big delay from the function without distinct, from 0.6 sec to 3.2 sec! ...
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Extending the User model with custom fields in Django

...ing the fields for additional information. This one-to-one model is often called a profile model, as it might store non-auth related information about a site user. That said, extending django.contrib.auth.models.User and supplanting it also works... Substituting a custom User model Some kinds of p...
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How to write a large buffer into a binary file in C++, fast?

... Try the following, in order: Smaller buffer size. Writing ~2 MiB at a time might be a good start. On my last laptop, ~512 KiB was the sweet spot, but I haven't tested on my SSD yet. Note: I've noticed that very large buffers tend to decrease performance. ...