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How to execute shell command in Javascript
...Except for one thing. You'll get the error "child is not a function". The call to exec() executes the command - no need to call child(). Unfortunately, the callback isn't called whenever the child process has something to output - it is called only when the child process exits. Sometimes that's OK a...
is there a require for json in node.js
...ils here
file.js
import data from './folder/file.json'
export default {
foo () {
console.log(data)
}
}
And you call it with node --experimental-json-modules file.js
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How to map with index in Ruby?
... I believe this is the better answer, because it will work with map! foo = ['d'] * 5; foo.map!.with_index { |x,i| x * i }; foo #=> ["", "d", "dd", "ddd", "dddd"]
– Connor McKay
Feb 27 '14 at 21:47
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Execute Python script via crontab
...p/crontab.JTQ0My/crontab":22: bad minute errors in crontab file, can't install. Do you want to retry the same edit? (y/n)" if I type "y", I've returned to file edit. And if I type "n" the file is not saved. I add this line at last line of the file: "/1 * * * * /usr/bin/python script.py"
...
Spring JPA @Query with LIKE
...like ?1 ". It is not good for me, as I already told that I'm trying to get all users whose username contains ...
9 Answers...
Using bitwise OR 0 to floor a number
...ator casts the
number to an integer, thus removing the fractional part
All bitwise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an integer.
Does it have any advantages over doing Math.floor? Maybe it...
Multiple commands on same line
...
exe "echo 'foo' \n echo 'bar'"
– Tinmarino
Aug 10 '17 at 13:25
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JSON Array iteration in Android/Java
...or iterator() {
return this.myArrayList.iterator();
}
This will make all instances of JSONArray iterable, meaning that the for (Object foo : bar) syntax will now work with it (note that foo has to be an Object, because JSONArrays do not have a declared type). All this works because the JSONArr...
Is the 'override' keyword just a check for a overridden virtual method?
... And what would an explicit class definition do? Never heard about that at all.
– Christian Rau
Aug 13 '13 at 9:21
18
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Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
...creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public class MemberLoan
{
public string LoandProviderCode { get; set; }
public virtual Membership Membership { get; set; }
}
Entity Framework will return proxy inheri...