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When to wrap quotes around a shell variable?
...t, and recommended for general consistency and correctness (though this is my personal recommendation, not a widely recognized policy).
Values which are not variables basically follow the same rules, though you could then also escape any metacharacters instead of quoting them. For a common example,...
Correct way to use StringBuilder in SQL
I just found some sql query build like this in my project:
6 Answers
6
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Which “href” value should I use for JavaScript links, “#” or “javascript:void(0)”?
...e the function specifically for one method of attachment or another. Hence my onclick (or on anything) in HTML markup look like this:
onclick="someFunc.call(this)"
OR
onclick="someFunc.apply(this, arguments)"
Using javascript:void(0) avoids all of the above headaches, and I haven't found any e...
JavaScript ternary operator example with functions
...ecause I don't like to sacrifice readability - I'm old-school and I prefer my braces.
The full if/then/else format is used for pretty much everything. It's especially popular if you get into larger blocks of code in each branch, you have a muti-branched if/else tree, or multiple else/ifs in a long...
Java - JPA - @Version annotation
...
But still I am not sure how it works?
Let's say an entity MyEntity has an annotated version property:
@Entity
public class MyEntity implements Serializable {
@Id
@GeneratedValue
private Long id;
private String name;
@Version
private Long version;
...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...
My guess is that the class type is used rather than the interface type. EF doesn't know about the interface type so it can't convert it to SQL. With the class constraint the type inferred is the DbSet<T> type which EF k...
Spring @PostConstruct vs. init-method attribute
...u prefer to configure your system, and that's a matter of personal choice. Myself, I prefer to use @PostConstruct annotations for my own code (as the bean is only correctly configured after the method is called) and I use init-method when instantiating beans from non-Spring-aware libraries (can't ap...
How does a Java HashMap handle different objects with the same hash code?
As per my understanding I think:
14 Answers
14
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How is OAuth 2 different from OAuth 1?
... the notion of refresh tokens. While I'm not entirely sure what these are, my guess is that your access tokens can be short lived (i.e. session based) while your refresh tokens can be "life time". You'd use a refresh token to acquire a new access token rather than have the user re-authorize your app...
how to check the dtype of a column in python pandas
...d all of them (and some additional) in decreasing of reliability order (in my opinion):
1. Comparing types directly via == (accepted answer).
Despite the fact that this is accepted answer and has most upvotes count, I think this method should not be used at all. Because in fact this approach is di...