大约有 8,000 项符合查询结果（耗时：0.0410秒） [XML]
Avoiding SQL injection without parameters
... lot of i18n issues with dates/numbers; what date is 01/02/03? How much is 123,456? Do your servers (app-server and db-server) agree with each-other?
If the risk factor isn't convincing to them, how about performance? The RDBMS can re-use the query plan if you use parameters, helping performance. I...
Add one row to pandas DataFrame
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123
This is the right answer, but it isn't a very good answer (almost link only).
– jwg
May 18 '16 at 1...
if arguments is equal to this string, define a variable like this string
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123
I cannot believe that I expend three hours on this, and was only a problem of spaces!!!!... THANKS @Alex
– Alejandro...
How can I get a user's media from Instagram without authenticating as a user?
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123
This is late, but worthwhile if it helps someone as I did not see it in Instagram's documentat...
Can I have multiple primary keys in a single table?
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A Table can have a Composite Primary Key which is a primary key made from two or more columns. For example:
CREATE TABLE userdata (
userid INT,
userdataid INT,
info char(200),
primary key (userid, userdataid)
);
Update: Here is a link wit...
Combine --user with --prefix error with setup.py install
...ss to. I was trying to take advantage of Python's relatively new per user site-packages directory , and the new option --user . (The option is currently undocumented , however it exists for Python 2.6+; you can see the help by running python setup.py install --help .)
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How do I connect to a MySQL Database in Python?
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Oracle (MySQL) now supports a pure Python connector. That means no binaries to install: it's ...
How to generate keyboard events in Python?
...nput", _INPUT))
LPINPUT = ctypes.POINTER(INPUT)
def _check_count(result, func, args):
if result == 0:
raise ctypes.WinError(ctypes.get_last_error())
return args
user32.SendInput.errcheck = _check_count
user32.SendInput.argtypes = (wintypes.UINT, # nInputs
...
$on and $broadcast in angular
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If you want to $broadcast use the $rootScope:
$scope.startScanner = function() {
$rootScope.$broadcast('scanner-started');
}
And then to receive, use the $scope of your controller:
$scope.$on('scanner-started', function(event, args) {
// do what you want to do
});
If you want y...
What is “above-the-fold content” in Google Pagespeed?
Until recently, my site (www.heatexchangers.ca) scored 98% on Google Page Speed. There were a couple of things I could do nothing about such as the query string from web fonts. I was very happy with this as this represented all that I could do.
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