大约有 33,000 项符合查询结果（耗时：0.0453秒） [XML]
Should I use string.isEmpty() or “”.equals(string)?
...
@David dead link; here's a live one docjar.com/html/api/java/lang/String.java.html#1011
– Matt Ball
Apr 8 '12 at 14:31
add a comment
...
nodejs require inside TypeScript file
...ll it fix the compiler error, it will also add the definitions of the Node API to your IDE.
share
|
improve this answer
|
follow
|
...
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 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 - 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/...
Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...or eventually, to get rid of the error. I am facing similar issue, when an API gets hit successively in a different of miliseconds, due to user clicking twice inadvertently. Pessimistic Locking hurts performance; so will be interested to know what you eventually went for ?
– ...
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().
...
what is the difference between sendStickyBroadcast and sendBroadcast in Android
... deprecated
From Android Documentation:
This method was deprecated in API level 21. Sticky broadcasts should
not be used. They provide no security (anyone can access them), no
protection (anyone can modify them), and many other problems. The
recommended pattern is to use a non-sticky broa...
How to send email to multiple recipients using python smtplib?
...ne, which is why a list of adresses (not including names!) is the sensible API.
For the header, it can also contain for example the name, e.g. To: First Last <email@addr.tld>, Other User <other@mail.tld>. Your code example therefore is not recommended, as it will fail delivering this ma...