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How do I use Java to read from a file that is actively being written to?
...r. I'm still looking for a better way, but this works for me for now.
Oh, and I'll caveat this with: I'm using 1.4.2. Yes I know I'm in the stone ages still.
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Why does Python code run faster in a function?
...ompiled, the local variables are stored in a fixed-size array (not a dict) and variable names are assigned to indexes. This is possible because you can't dynamically add local variables to a function. Then retrieving a local variable is literally a pointer lookup into the list and a refcount increas...
Exif manipulation library for python [closed]
...nt to check out exif-py:
Python library to extract EXIF data from tiff and jpeg files. Very easy to use - $ ./EXIF.py image.jpg
or the Python Imaging Library (PIL):
The Python Imaging Library (PIL) adds image processing capabilities to your Python interpreter. This library supports many fi...
Best content type to serve JSONP?
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Based on the information in this article text/javascript and application/javascript would work in IE 9. I wonder @pit-digger if the server just wasn't returning the correct content-type header.
– spig
May 6 '14 at 14:13
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setup cron tab to specific time of during weekdays
...server. We want the cron job to run the script at certain times of the day and on some specific days of the week. For example, we want to setup a cron job that runs the script with the following sequence:
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How do I create multiple submit buttons for the same form in Rails?
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You can create multiple submit buttons and provide a different value to each:
<% form_for(something) do |f| %>
..
<%= f.submit 'A' %>
<%= f.submit 'B' %>
..
<% end %>
This will output:
<input type="submit" value="A" i...
What is the difference between static func and class func in Swift?
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Is it simply that static is for static functions of structs and enums, and class for classes and protocols?
That's the main difference. Some other differences are that class functions are dynamically dispatched and can be overridden by subclasses.
Protocols use the class keyword, b...
How do I wait for an asynchronously dispatched block to finish?
I am testing some code that does asynchronous processing using Grand Central Dispatch. The testing code looks like this:
13...
How to remove folders with a certain name
...gestion. Without this, find will still try to visit the now missing folder and will eventually exit with an error code, which can e.g. fail a Docker build.
– Czyzby
Mar 18 at 13:19
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How to force composer to reinstall a library?
I'm using the ZF2 skeleton app and it has a .gitignore that prevents external libraries from being commited to git. While debugging I like to go and change stuff here and there in the libraries' source to learn how things work. If these were version controlled it would be very easy to revert them ba...