大约有 7,900 项符合查询结果（耗时：0.0268秒） [XML]
Avoiding SQL injection without parameters
...perhaps saving the server a step when running the query.
Additionally, escaping single quotes isn't good enough. Many DB products allow alternate methods for escaping characters that an attacker could take advantage of. In MySQL, for example, you can also escape a single quote with a backslash. ...
Entity Framework 4 Single() vs First() vs FirstOrDefault()
...type is a reference type) when there is no item.
This is the behavior the API is supposed to have. Note however that the underlying implementation could have a different behavior. While Entity Framework obeys this, a O/RM like LLBLGen can also return null when calling First which is a very strange ...
JavaScript for detecting browser language preference [duplicate]
...array reflects the order set by user: developer.mozilla.org/en-US/docs/Web/API/NavigatorLanguage/…
– StanE
Aug 19 '16 at 12:34
|
show 8 mo...
How to compare strings ignoring the case
... Wait, what would the difference be between false and nil for an API like this...
– Trejkaz
Feb 26 '19 at 22:56
...
How to use nodejs to open default browser and navigate to a specific URL
...ing github.com/domenic/opener a try as an alternative module with the same API. It looks like it has a proper issue tracker you could open an issue on. It may just be an oddity of how browsers report the process as ending though, so it may not be easily fixable.
– ForbesLinde...
How can I conditionally require form inputs with AngularJS?
...
This feature is documented by now: docs.angularjs.org/api/ng/directive/ngRequired
– bjunix
May 9 '16 at 11:42
add a comment
|
...
Rails 4 - passing variable to partial
...
From the Rails api on PartialRender:
Rendering the default case
If you're not going to be using any of the options like collections or layouts, you can also use the short-hand defaults of render to render partials.
Examples:
# I...
Rails 4 - Strong Parameters - Nested Objects
...x, :y]})
Rails actually have pretty good documentation on this: http://api.rubyonrails.org/classes/ActionController/Parameters.html#method-i-permit
For further clarification, you could look at the implementation of permit and strong_parameters itself: https://github.com/rails/rails/blob/master/...
Check a radio button with javascript
...nt.getElementById("_1234").checked = true;
When you're using the browser API ("getElementById"), you don't use selector syntax; you just pass the actual "id" value you're looking for. You use selector syntax with jQuery or .querySelector() and .querySelectorAll().
...
Count with IF condition in MySQL query
...s though.)
As for COALESCE() as mentioned in other answers, many language APIs automatically convert NULL to '' when fetching the value. For example with PHP's mysqli interface it would be safe to run your query without COALESCE().
...