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How to list of all the tables defined for the database when using active record?
...tionAdapters::SchemaStatements#tables. This method is undocumented in the MySQL adapter, but is documented in the PostgreSQL adapter. SQLite/SQLite3 also has the method implemented, but undocumented.
>> ActiveRecord::Base.connection.tables
=> ["accounts", "assets", ...]
See activerecor...
Root user/sudo equivalent in Cygwin?
...of the shortcut and check it in the compatability section. Just beware.... root permissions can be dangerous.
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Converting XML to JSON using Python?
...key names if certain values are in your xml, for example an xmlns tag on a root level node shows up in every node key like this: {'{maven.apache.org/POM/4.0.0}artifactId': 'test-service', which came from xml like this: <project xmlns="maven.apache.org/POM/4.0.0" xsi:schemaLocation="maven.apache...
How to execute Python scripts in Windows?
...ectly fixing the relevant registry keys for Python. Set the
HKEY_CLASSES_ROOT\Applications\python26.exe\shell\open\command
key to:
"C:\Python26\python26.exe" "%1" %*
Likely, previously, %* was missing. Similarly, set
HKEY_CLASSES_ROOT\py_auto_file\shell\open\command
to the same value. S...
z-index not working with fixed positioning
...ee that elements are stacked in this order
The stacking context’s root element (the <html> element in this case)
Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements with the same value are stacked accord...
How to use npm with node.exe?
... separately.
I was facing permission issue while running npm (npm install mysql), from the path where my nodejs resided, i.e.
C:\Program Files (x86)\nodejs
Then I followed below steps:
1) Added C:\Program Files (x86)\nodejs\npm in environment variables - Path system variable.
2) went back to onl...
Post JSON using Python Requests
...ost("http://localhost:8080", json={'json_payload': data})
server:
class Root(object):
def __init__(self, content):
self.content = content
print self.content # this works
exposed = True
def GET(self):
cherrypy.response.headers['Content-Type'] = 'application/...
Run PHP Task Asynchronously
... Perl or just about any other language. There are Gearman UDF plugins for MySQL and you can also use Net_Gearman from PHP or the gearman pear client.
– Justin Swanhart
Dec 22 '12 at 4:57
...
为什么你越努力，却越焦虑？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...自控能力的缘故，也可能和性格和其他因素有关。但无论如何，我深知，只要我给自己找了借口，我就会不遗余力地开始前功尽弃。对于经常把自我宽容混同为自我纵容的人来说，任何自我怜悯的借口实际上都只是自我欺骗。
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What is the PostgreSQL equivalent for ISNULL()
...
I suspect these commenters are MySQL users who didn't realize the question starts with, "In MS SQL Server, ..." MySQL has an ISNULL() function that takes a single argument and returns 0 or 1. T-SQL's version takes two arguments and behaves like COALESCE ...