大约有 40,000 项符合查询结果（耗时：0.0438秒） [XML]
Table name as variable
...dynamically, and use sp_executesql to execute it.
Here is an example of a script used to compare data between the same tables of different databases:
static query:
SELECT * FROM [DB_ONE].[dbo].[ACTY]
EXCEPT
SELECT * FROM [DB_TWO].[dbo].[ACTY]
since I want easily change tha name of table and sch...
How do you write tests for the argparse portion of a python module? [closed]
...s(sys.argv[1:])
(where the first element of sys.argv that represents the script name is removed to not send it as an additional switch during CLI operation.)
In your tests, you can then call the parser function with whatever list of arguments you want to test it with:
def test_parser(self):
...
Cannot overwrite model once compiled Mongoose
...
My test script looks like so: "test": "NODE_ENV=test mocha --file mocha.config.js --watch" and in that config js file I have a before() and after() to handle setup and teardown. @E.Sundin provided the perfect solution here, and it wo...
What are “named tuples” in Python?
...rst='Bart', last='Simpson', grade='C')
A commenter asked:
In a large script or programme, where does one usually define a named tuple?
The types you create with namedtuple are basically classes you can create with easy shorthand. Treat them like classes. Define them on the module level, so t...
Python argparse command line flags without arguments
...:
Source: myparser.py
import argparse
parser = argparse.ArgumentParser(description="Flip a switch by setting a flag")
parser.add_argument('-w', action='store_true')
args = parser.parse_args()
print args.w
Usage:
python myparser.py -w
>> True
...
Linux command (like cat) to read a specified quantity of characters
... - output the first part of files
Synopsis
head [OPTION]... [FILE]...
Description
Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With no FILE, or when
FILE is -, read standard input.
Mandatory arguments to long ...
Preserve line endings
...
You could try to sub the \n for \r\n at the end of your existing script like so:
sed 's/foo/bar/;s/$/\r/'
or perhaps
sed -e 's/foo/bar/' -e 's/$/\r/'
If neither of the above two work, you'll have to consult the specific man page for your version of sed to see if such an option exist...
Does anyone beside me just NOT get ASP.NET MVC? [closed]
...add a view, model and controller, you'll use a command like Rails's "Rails script/generate scaffold {modelname}" (ASP.NET MVC offers similar commands in the IDE). In the resulting controller class, there will be methods ("Actions") for Index (show list), Show, New and Edit and Destroy (at least in ...
List all svn:externals recursively?
...
I used the answer of Wim Coenen and wrote the following script to create a list of all revisions:
getSvnRevs() {
cd "$1"
wcver="$(svnversion)"
[ -n "$wcver" ] || panic "Unable to get version for $wcdir"
echo "$1: $wcver"
svn propget svn:externals -R | while read a b c d...
Python: Is it bad form to raise exceptions within __init__?
...initialization of the object is incomplete). This is often not the case in scripting languages, such as Python. For example, the following code throws an AttributeError if socket.connect() fails:
class NetworkInterface:
def __init__(self, address)
self.socket = socket.socket(socket.AF_I...