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Should I use != or for not equal in T-SQL?
...ages) and <> (ANSI).
Databases that support both != and <>:
MySQL 5.1: != and <>
PostgreSQL 8.3: != and <>
SQLite: != and <>
Oracle 10g: != and <>
Microsoft SQL Server 2000/2005/2008/2012/2016: != and <>
IBM Informix Dynamic Server 10: != and <>
Int...
Parsing XML with namespace in Python via 'ElementTree'
...mespaces = {'owl': 'http://www.w3.org/2002/07/owl#'} # add more as needed
root.findall('owl:Class', namespaces)
Prefixes are only looked up in the namespaces parameter you pass in. This means you can use any namespace prefix you like; the API splits off the owl: part, looks up the corresponding n...
How to change the default GCC compiler in Ubuntu?
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@thang also called cc: root@host:/root# update-alternatives --get-selections | grep '/usr/bin/gcc' cc auto /usr/bin/gcc
– jopasserat
Aug 13 '16 at 15:26
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Why does LayoutInflater ignore the layout_width and layout_height layout parameters I've specified?
...resource: ID for an XML layout resource to load (e.g., R.layout.main_page)
root: Optional view to be the parent of the generated hierarchy (if attachToRoot is true), or else simply an object that provides a set of LayoutParams values for root of the returned hierarchy (if attachToRoot is false.)
att...
Laravel - Eloquent or Fluent random row
...vel 3:
User::order_by(DB::raw('RAND()'))->get();
Check this article on MySQL random rows. Laravel 5.2 supports this, for older version, there is no better solution then using RAW Queries.
edit 1: As mentioned by Double Gras, orderBy() doesn't allow anything else then ASC or DESC since this chang...
How to create a zip archive of a directory in Python?
...port zipfile
def zipdir(path, ziph):
# ziph is zipfile handle
for root, dirs, files in os.walk(path):
for file in files:
ziph.write(os.path.join(root, file))
if __name__ == '__main__':
zipf = zipfile.ZipFile('Python.zip', 'w', zipfile.ZIP_DEFLATED)
zipdir('tmp/'...
Is there a library function for Root mean square error (RMSE) in python?
I know I could implement a root mean squared error function like this:
12 Answers
12
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curl: (60) SSL certificate problem: unable to get local issuer certificate
...nsecure connections, that is cURL does not verify the certificate.
Add the root CA (the CA signing the server certificate) to /etc/ssl/certs/ca-certificates.crt
You should use option 2 as it's the option that ensures that you are connecting to secure FTP server.
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...ng around, I figured out how to remove blank xmlns attributes: pass in the root node's namespace when creating any child node you want not to have a prefix on. Using a namespace without a prefix at the root means that you need to use that same namespace on child elements for them to also not have p...
Can't use NVM from root (or sudo)
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Great, this is by far the best solution. This way , root will always use the same npm / node version you are using on the nvm user, thanks!
– luiscvalmeida
Jul 27 '17 at 15:13
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