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Obstructed folders in Subversion
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it occurs when you have deleted or moved the .svn subdirectories (without going through SVN commands), so SVN has a corrupted view of the working copy.
Try a cleanup first, and if that doesn't solve it, revert (or update) the directory to restore the subd...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
... Stack Overflow and PEP 8 that the recommendation is to use spaces only for indentation in Python programs. I can understand the need for consistent indentation and I have felt that pain.
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?
...estructive one destroys something, but not in the way you may think now.
For example, the function
Function<Integer,Integer> f = (x,y) -> x + y
is a constructive one.
As you need to construct something. In the example
you constructed the tuple (x,y). Constructive functions have the ...
string.split - by multiple character delimiter
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Or if your minimal code anal like me: 'var parts1 = input.Split(new[] { "][" }, StringSplitOptions.None);'
– Paul Grimshaw
Jul 10 '14 at 23:41
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What's the best strategy for unit-testing database-driven applications?
I work with a lot of web applications that are driven by databases of varying complexity on the backend. Typically, there's an ORM layer separate from the business and presentation logic. This makes unit-testing the business logic fairly straightforward; things can be implemented in discrete modul...
Macro vs Function in C
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Macros are error-prone because they rely on textual substitution and do not perform type-checking. For example, this macro:
#define square(a) a * a
works fine when used with an integer:
square(5) --> 5 * 5 --> 25
but does very ...
Is it a bad practice to use an if-statement without curly braces? [closed]
... first version is that if you go back and add a second statement to the if or else clauses without remembering to add the curly braces, your code will break in unexpected and amusing ways.
Maintainability-wise, it's always smarter to use the second form.
EDIT: Ned points this out in the comments, ...
How to construct a WebSocket URI relative to the page URI?
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If your Web server has support for WebSockets (or a WebSocket handler module) then you can use the same host and port and just change the scheme like you are showing. There are many options for running a Web server and Websocket server/module together....
Adding two numbers concatenates them instead of calculating the sum
I am adding two numbers, but I don't get a correct value.
22 Answers
22
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
...s indeed possible to use this to start a service as non-root but bind low ports. The short answer is that you do:
setcap 'cap_net_bind_service=+ep' /path/to/program
And then anytime program is executed thereafter it will have the CAP_NET_BIND_SERVICE capability. setcap is in the debian package li...