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Is object empty? [duplicate]
...y = Object.prototype.hasOwnProperty;
function isEmpty(obj) {
// null and undefined are "empty"
if (obj == null) return true;
// Assume if it has a length property with a non-zero value
// that that property is correct.
if (obj.length > 0) return false;
if (obj.length...
REST API Best practices: Where to put parameters? [closed]
...
The official rule URIs and the draft sepc were really useful & interesting! :-)
– KajMagnus
Apr 16 '11 at 10:54
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List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
... any modifications to new_list changes my_list everytime. Why is this, and how can I clone or copy the list to prevent it?
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How to determine one year from now in Javascript
I'm trying to get one year from now's date, and it's not working.
7 Answers
7
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Continuously read from STDOUT of external process in Ruby
I want to run blender from the command line through a ruby script, which will then process the output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
...
Do Java arrays have a maximum size?
...es makes no sense unless we are willing to downvote answers that are plain and simply wrong. Does the difference of five bytes actually matter in the real world, NO, of course not. But it concerns me that people are willing to give an answer "authoritatively" without even trying it to see if it rea...
Can you target with css?
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BR generates a line-break and it is only a line-break. As this element has no content, there are only few styles that make sense to apply on it, like clear or position. You can set BR's border but you won't see it as it has no visual dimension.
If yo...
@class vs. #import
It is to my understanding that one should use a forward-class declaration in the event ClassA needs to include a ClassB header, and ClassB needs to include a ClassA header to avoid any circular inclusions. I also understand that an #import is a simple ifndef so that an include only happens once....
How to declare a variable in MySQL?
... refer to a variable that has not been
initialized, it has a value of NULL and a type of string.
SELECT @var_any_var_name
You can initialize a variable using SET or SELECT statement:
SET @start = 1, @finish = 10;
or
SELECT @start := 1, @finish := 10;
SELECT * FROM places WHERE place BET...
How to re-sync the Mysql DB if Master and slave have different database incase of Mysql replication?
... master:
RESET MASTER;
FLUSH TABLES WITH READ LOCK;
SHOW MASTER STATUS;
And copy the values of the result of the last command somewhere.
Without closing the connection to the client (because it would release the read lock) issue the command to get a dump of the master:
mysqldump -u root -p --al...