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How to filter by object property in angularJS
... to create a custom filter in AngularJS that will filter a list of objects by the values of a specific property. In this case, I want to filter by the "polarity" property(possible values of "Positive", "Neutral", "Negative").
...
Why does Ruby have both private and protected methods?
Before I read this article , I thought access control in Ruby worked like this:
7 Answers
...
Linq with group by having count
...
Like this:
from c in db.Company
group c by c.Name into grp
where grp.Count() > 1
select grp.Key
Or, using the method syntax:
Company
.GroupBy(c => c.Name)
.Where(grp => grp.Count() > 1)
.Select(grp => grp.Key);
...
Questions every good Java/Java EE Developer should be able to answer? [closed]
...uld realize that there is not problem with it.
So you learned something (by yourself) in the interview and you showed the interviewer that you are able to reason about classes, objects, inheritance, polymorphism, etc. It's actually much better than a candidate who knows the answer by heart but doe...
Kill a Process by Looking up the Port being used by it from a .BAT
...ter name, e.g. %V.
"tokens=4 delims= "
This lets you split up each line by whitespace, and take the 4th chunk in that line, and stuffs it into %variable (in our case, %%P). delims looks empty, but that extra space is actually significant.
netstat -a -n -o
Just run it and find out. According ...
Why are the Level.FINE logging messages not showing?
...ey do not publish the messages to the destinations, which is taken care of by the Handlers. Setting the level of a logger, only causes it to create log records matching that level or higher.
You might be using a ConsoleHandler (I couldn't infer where your output is System.err or a file, but I would...
get dictionary key by value
How do I get a Dictionary key by value in C#?
8 Answers
8
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Can I concatenate multiple MySQL rows into one field?
...person_id, GROUP_CONCAT(hobbies SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Ludwig stated in his comment, you can add the DISTINCT operator to avoid duplicates:
SELECT person_id, GROUP_CONCAT(DISTINCT hobbies SEPARATOR ', ')
FROM peoples_hobbies
GROUP BY person_id;
As Jan stated i...
Structure padding and packing
...ould have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char c;
char gap_1[3]; /* -"-: for a...
Why is this program erroneously rejected by three C++ compilers?
...mpiler vendor supports (canonically defined) text files: any file produced by a text editor, typically a series of characters.
Note that the C++ standard is based off the C standard (§1.1/2), and the C(99) standard says, in §1.2:
This International Standard does not specify
— the mecha...