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How to customize a requirements.txt for multiple environments?
...pment points to dependencies that are themselves in development. Likewise for Production. I need to deploy to Heroku which expects each branch's dependencies in a single file called 'requirements.txt'.
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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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Real World Example of the Strategy Pattern
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What about this:
You have to encrypt a file.
For small files, you can use "in memory" strategy, where the complete file is read and kept in memory ( let's say for files < 1 gb )
For large files, you can use another strategy, where parts of the file are read in memor...
Downcasting shared_ptr to shared_ptr?
...he shared_ptr in this example is like the one in Boost, but it doesn't support shared_polymorphic_downcast (or dynamic_pointer_cast or static_pointer_cast for that matter)!
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How do I get the current date and time in PHP?
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The time would go by your server time. An easy workaround for this is to manually set the timezone by using date_default_timezone_set before the date() or time() functions are called to.
I'm in Melbourne, Australia so I have something like this:
date_default_timezone_set...
Does Java read integers in little endian or big endian?
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Use the network byte order (big endian), which is the same as Java uses anyway. See man htons for the different translators in C.
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In Git, how can I write the current commit hash to a file in the same commit
...o a fancy stuff here with Git hooks, but I don't really know how to do it (or if it's possible).
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Boolean vs tinyint(1) for boolean values in MySQL
What column type is best to use in a MySQL database for boolean values? I use boolean but my colleague uses tinyint(1) .
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Why is no one using make for Java?
Just about every Java project that I've seen either uses Maven or Ant. They are fine tools and I think just about any project can use them. But what ever happened to make ? It's used for a variety of non-Java projects and can easily handle Java. Sure you have to download make.exe if you use Win...
Why does 2 == [2] in JavaScript?
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You can look up the comparison algorithm in the ECMA-spec (relevant sections of ECMA-262, 3rd edition for your problem: 11.9.3, 9.1, 8.6.2.6).
If you translate the involved abstract algorithms back to JS, what happens when evaluating 2 == [2] is basically th...