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Default value of BOOL
...ective-C objects are always set to 0 (or nil) when you allocate an object" and I cannot find any other, clearer, reference, so it's all a bit contradictory to me.
– Kristof Van Landschoot
Sep 9 '13 at 8:47
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How to convert floats to human-readable fractions?
...y what you are asking for. Its based on the theory of continued fractions and very fast and fairly compact.
I have used versions of this customized for specific numerator and denominator limits.
/*
** find rational approximation to given real number
** David Eppstein / UC Irvine / 8 Aug 1993
**
*...
Android Center text on canvas
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And probably best casting _text.Length to a float as it obviously won't work for odd text lengths.
– paj7777
Apr 8 '13 at 9:44
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Difference between save and saveAndFlush in Spring data jpa
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On saveAndFlush, changes will be flushed to DB immediately in this command. With save, this is not necessarily true, and might stay just in memory, until flush or commit commands are issued.
But be aware, that even if you flush th...
Calling virtual functions inside constructors
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Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the current constructor and no further.
The C++ FAQ Lite covers this in sectio...
How can I find where I will be redirected using cURL?
...work right. I have a string that I want to send as a GET param to a server and get the resulting URL.
7 Answers
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Format decimal for percentage values?
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Looking at here big difference is like US and France type. If above varies by culture, is there a culture-independent P formatting?
– bonCodigo
May 18 '14 at 1:36
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In Gradle, how do I declare common dependencies in a single place?
...ependency in the <dependencyManagement> section of the parent POM, and reference that dependency from child modules without specifying the version or scope or whatever.
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git remote add with other SSH port
...cific key instead of the default id_rsa. Not only that, my server is picky and more or less you have to have it right quickly enough which fails if you include password. So I use the PasswordAuthentication no as well.
– Alexis Wilke
Jan 8 '14 at 1:33
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Is there a way for non-root processes to bind to “privileged” ports on Linux?
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Okay, thanks to the people who pointed out the capabilities system and CAP_NET_BIND_SERVICE capability. If you have a recent kernel, it is 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/...