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How to check if a file exists in Go?
... You could use os.IsExist() depending the case, could be more idiomatically instead of making a double negation when doing !os.IsNotExistant()
– Ariel Monaco
Feb 17 at 3:18
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Does SQLAlchemy have an equivalent of Django's get_or_create?
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That's basically the way to do it, there is no shortcut readily available AFAIK.
You could generalize it ofcourse:
def get_or_create(session, model, defaults=None, **kwargs):
instance = session.query(model).filter_by(**kwargs).firs...
How to Query an NTP Server using C#?
All I need is a way to query an NTP Server using C# to get the Date Time of the NTP Server returned as either a string or as a DateTime .
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Can I mix MySQL APIs in PHP?
...where. (Not sure whether plain old resources do that, but objects can actually take advantage of RAII to a not-insignificant degree.)
– cHao
Jul 5 '13 at 23:54
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Vagrant error : Failed to mount folders in Linux guest
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The plugin vagrant-vbguest solved my problem:
$ vagrant plugin install vagrant-vbguest
Output:
$ vagrant reload
==> default: Attempting graceful shutdown of VM...
...
==> default: Machine booted and ready!
GuestAdditions 4.3.12 running --- OK.
==> default: Checking for guest addi...
How to convert Strings to and from UTF8 byte arrays in Java
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US-ASCII is actually not a very common encoding nowadays. Windows-1252 and ISO-8859-1 (which are supersets of ASCII) are far more widespread.
– Michael Borgwardt
Oct 9 '09 at 13:26
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How can I parse a YAML file from a Linux shell script?
...:// (for URLs)
s/$/"/g appends " to the end of each line
s/ *=/=/g removes all spaces before =
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How to Detect if I'm Compiling Code with a particular Visual Studio version?
...C_VER == 1911 (Visual Studio 2017 version 15.3)
MSVC++ 14.1 _MSC_VER == 1910 (Visual Studio 2017 version 15.0)
MSVC++ 14.0 _MSC_VER == 1900 (Visual Studio 2015 version 14.0)
MSVC++ 12.0 _MSC_VER == 1800 (Visual Studio 2013 version 12.0)
MSVC++ 11.0 _MSC_VER == 1700 (Visual Studio 2012 version 11...
Can I get Memcached running on a Windows (x64) 64bit environment?
...wnload. Now they have made it part of their commercial No-SQL DB offering called Membase. It can be configured to run in Memcached-only mode (i.e. without persistence) and there's a 100% free version too. Check it out here: http://www.membase.org/downloads
UPDATE 3: MemBase has slept with CouchDB a...
Number of processors/cores in command line
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Make sure to nproc --all for all installed Processing Units. Without --all, nproc only shows Processing Units available to the current process. Read the man page for more details. MMV.
– JamesThomasMoon1979
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