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Why is address zero used for the null pointer?
... the source code is the null pointer - the compiler implementation can use whatever value it wants or needs in the running code. Some platforms have a special pointer value that's 'invalid' that the implementation might use as the null pointer. The C FAQ has a question, "Seriously, have any actual ...
warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
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@Xandman: I don't know what is up with the segmentation fault; programs should not do that (especially not security related ones like sudo). Clearly, someone has been tampering with file permissions on your system - I recommend reading them the ri...
GOTO still considered harmful? [closed]
...t a particular "location" in the code, the less confident one can be about what the state of the system is at that point. (See below.)
Structured programming IMHO is less about "avoiding GOTOs" and more about making the structure of the code match the structure of the data. For example, a repeating ...
Rails bundle install production only
...y independent from Rails. It just looks into your Gemfile, it doesn't care what libraries your application actually requires in the mentioned config. In fact, you can skip Bundler.require and require libs manually from any group. I agree, that Rails could integrate better in this case with Bundler, ...
How to remove globally a package from Composer?
... @iisisrael it doesn't work for packages installed globally and this is what this question is about. Thanks for reference though!
– Jakub Zalas
Apr 8 '15 at 20:34
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Django filter queryset __in for *every* item in list
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This annotation solution seems wrong. What if there are three tags possible (lets call the additional one for t3, and a photo has the tags t2 and t3. Then this photo will still match the given query.
– beruic
Apr 30 '18 at 1...
Are global variables in PHP considered bad practice? If so, why?
... about global variables in other languages it means something different to what it does in PHP. That's because variables aren't really global in PHP. The scope of a typical PHP program is one HTTP request. Session variables actually have a wider scope than PHP "global" variables because they typical...
How do I pass command-line arguments to a WinForms application?
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input: "whatever.exe -v foo /lol nisp". Output: args[0] = "-v"; args[1] = "foo"; args[2] = "/lol"; args[3] = "nisp"; What could be easier?
– Callum Rogers
Jul 24 '09 at 19:22
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How to jump back to NERDTree from file in tab?
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What if we are using buffers instead of tabs (as one is often told to do with Vim)? *edit: answer below is what I was looking for.
– cbartondock
Apr 26 '17 at 4:04
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How to get subarray from array?
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What K_7 said; most especially, monkey-patching the Builtins (Object, Array, Promise, etc) is very naughty. See the famous example of MooTools forcing a rename of the proposed native Array.prototype.contains to Array.prototyp...