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Difference between one-to-many and many-to-one relationship
... Foo
Since Bar.Foo is a Reference, a Foreign Key, and there is no unique index on it, there can be many rows for any given value of Foo
Therefore the relation Foo::Bar is one-to-many
Now you can perceive (look at) the relation the other way around, Bar::Foo is many-to-one
But do not let th...
How to declare string constants in JavaScript? [duplicate]
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There's no constants in JavaScript, but to declare a literal all you have to do is:
var myString = "Hello World";
I'm not sure what you mean by store them in a resource file; that's not a JavaScript concept.
...
How should I print types like off_t and size_t?
...6, some_uint16_t);
They are listed in the manpage of inttypes.h.
Personally, I would just cast the values to unsigned long or long like another answer recommends. If you use C99, then you can (and should, of course) cast to unsigned long long or long long and use the %llu or %lld formats respect...
How to have a default option in Angular.js select box
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My problem is that the index of the option is returned from a "submit" on the form. What I need is what you are calling option.name, which is what was returned from a plain old rails form. The checkbox and radio buttons work fine since you use ng-r...
F# changes to OCaml [closed]
... but I think it's pretty close.
http://plus.kaist.ac.kr/~shoh/fsharp/html/index.html
Here is a list of differences (not sure how up-to-date it is)
http://plus.kaist.ac.kr/~shoh/fsharp/html/fsharp-vs-ocaml.html
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Java LinkedHashMap get first or last entry
...ert entry(key, value) as a first entry in my linked map; OR something like index based insertion. is that possible with Apache collections?
– Kanagavelu Sugumar
Jun 20 '14 at 6:40
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Why is “throws Exception” necessary when calling a function?
...r example, if an ArithmeticException of division by zero occurs or an ArrayIndexOutOfBoundsException occurs, it is because we are not careful enough in our coding. They happen usually because some errors in our program logic. So, they must be cleared before our program enters into production mode. T...
How to check file input size with jQuery?
...nction () {
//because this is single file upload I use only first index
var f = this.files[0]
//here I CHECK if the FILE SIZE is bigger than 8 MB (numbers below are in bytes)
if (f.size > 8388608 || f.fileSize > 8388608)
{
//show an alert to...
Python logging: use milliseconds in time format
...d of a struct_time, then (at least with modern versions of Python) we can call ct.strftime and then we can use %f to format microseconds:
import logging
import datetime as dt
class MyFormatter(logging.Formatter):
converter=dt.datetime.fromtimestamp
def formatTime(self, record, datefmt=None...
UTF-8 byte[] to String
... You can see in here the java.nio.charset.Charset.availableCharsets() map all the charsets not just the charsets in the StandardCharsets. And if you want to use some other charset and still want to prevent the String constructor from throwing UnsupportedEncodingException you may use java.nio.charse...