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@OneToMany List vs Set difference
...of addresses, you won't be able to use a single query to load persons with all their contacts and all their addresses. The solution in this case is to make two queries (which avoids the cartesian product), or to use a Set instead of a List for at least one of the collections.
It's often hard to use...
What is the difference between angular-route and angular-ui-router?
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Here are some common reason ui-router is chosen over ngRoute:
ui-router allows for nested views and multiple named views. This is very useful with larger app where you may have pages that inherit from other sections.
ui-router allows for you to have strong-type linking between states based on st...
Test whether string is a valid integer
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Additionally, based on character collation (see this related question/answer) something like d[g-i]{2} could end up not only matching dig but also dish in the collation suggested by that answer (where the sh digraph is considered a s...
What is a CSRF token ? What is its importance and how does it work?
...an application (Django, it so happens) and I just want an idea of what actually a "CSRF token" is and how it protects the data. Is the post data not safe if you do not use CSRF tokens?
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JavaScript, Node.js: is Array.forEach asynchronous?
...mentation of JavaScript: Does it behave asynchronously?
For example, if I call:
10 Answers
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How do I check for null values in JavaScript?
...xible with regards to checking for "null" values. I'm guessing you're actually looking for empty strings, in which case this simpler code will work:
if(!pass || !cpass || !email || !cemail || !user){
Which will check for empty strings (""), null, undefined, false and the numbers 0 and NaN
Pleas...
Intellij IDEA Java classes not auto compiling on save
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UPDATED
For IntelliJ IDEA 12+ releases we can build automatically the edited sources if we are using the external compiler option. The only thing needed is to check the option "Build project automatically", located under "Compiler" settings:
Also, if you would like to hot deploy, wh...
RESTful Services - WSDL Equivalent
... world, but I don't understand why. Isn't it always useful to programmatically bind to a definition and create proxy classes instead of manually coding? I don't mean to get into a philosophical debate, just looking for the reason there is no WSDL in REST, or why it is not needed. Thanks.
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Git authentication fails after enabling 2FA
...PlaintextPassword@example.com.
Storing password(s) in plaintext would normally be considered as a security risk. But in this 2FA case, the credential is NOT your real password, it is a randomly generated string. So it is as secure as using a ssh private key a passphrase-less ssh private key. CAVEAT...
How can I pass a parameter to a setTimeout() callback?
...tipage/…). However, using a string instead of a function object is generally considered poor style because it is essentially a form of delayed eval().
– Miles
Jul 27 '09 at 21:41
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