大约有 15,500 项符合查询结果（耗时：0.0263秒） [XML]
How do I flush the PRINT buffer in TSQL?
...ed procedure, flushing output is triggered by the GO command, e.g.
print 'test'
print 'test'
go
In general, my conclusion is following: output of mssql script execution, executing in SMS GUI or with sqlcmd.exe, is flushed to file, stdoutput, gui window on first GO statement or until the end of th...
correct way to define class variables in Python [duplicate]
...e explains the difference between the styles:
james@bodacious-wired:~$cat test.py
#!/usr/bin/env python
class MyClass:
element1 = "Hello"
def __init__(self):
self.element2 = "World"
obj = MyClass()
print dir(MyClass)
print "--"
print dir(obj)
print "--"
print obj.element1
prin...
Android Fragment onClick button Method
...le savedInstanceState) {
return inflater.inflate(R.layout.fragment_test, container, false);
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
try {
fComm = (FragmentCommunicator) activity;
} catch (ClassCastExcept...
AngularJS : Clear $watch
... listen = $scope.$watch('mvIdentity.currentUser', function(currentUser) { test = 1; console.log("--> " + $scope.updateemail + " -- " + test); listen(); });
– Harshit Laddha
Jun 22 '14 at 5:28
...
Check if database exists in PostgreSQL using shell
...e special variable $? to the exit status of the last command. You can also test the status directly in a conditional:
if psql -lqt | cut -d \| -f 1 | grep -qw <db_name>; then
# database exists
# $? is 0
else
# ruh-roh
# $? is 1
fi
...
Java FileOutputStream Create File if not exists
...oc), but it will create it if it can. To be sure you probably should first test that the file exists before you create the FileOutputStream (and create with createNewFile() if it doesn't):
File yourFile = new File("score.txt");
yourFile.createNewFile(); // if file already exists will do nothing
Fi...
JavaScript check if variable exists (is defined/initialized)
...
'if( variable )' also fails for testing for the existence of object properties.
– scotts
May 4 '10 at 22:40
55
...
How to get datetime in JavaScript?
...er answers). The number of corner cases is astounding. Go look at the unit test page for moment.js (momentjs.com/tests) -- there are 66701 tests! Just use it, it's great. Or find another library, but don't write your own code for this, you will very likely miss something (I've messed this up royally...
How do I get both STDOUT and STDERR to go to the terminal and a log file?
...
#!/usr/bin/env bash
exec > >(tee -a $HOME/logfile) 2>&1
# Test redirection of STDOUT
echo test_stdout
# Test redirection of STDERR
ls test_stderr___this_file_does_not_exist
(Note: This only works with Bash. It will not work with /bin/sh.)
Adapted from here; the original did n...
Accessing an SQLite Database in Swift
...omainMask, appropriateFor: nil, create: true)
.appendingPathComponent("test.sqlite")
// open database
var db: OpaquePointer?
guard sqlite3_open(fileURL.path, &db) == SQLITE_OK else {
print("error opening database")
sqlite3_close(db)
db = nil
return
}
Note, I know it seems...