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Compare if two variables reference the same object in python
...s to which x and z point. Since small integers are failry common (-1 as an error value, 0 any time you actually index something, small numbers are usually reasonable default values) Python optimizes by preallocating small numbers (-5 to 256) and reuses the same integer object. Thus your example only...
How to get base url with jquery or javascript?
...(then setting the url protocol to "http://" will present some really weird errors depending on how you want to use the url).
– Jason Rice
Nov 4 '19 at 23:39
add a comment
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include external .js file in node.js app
...
This is not working for me. I am getting error Cannot find module lib.js.
– Manoj
Jul 6 '15 at 7:20
2
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Does JSON syntax allow duplicate keys in an object?
...s report the last name/value pair
only. Other implementations report an error or fail to parse the
object, and some implementations report all of the name/value pairs,
including duplicates.
Also, as Serguei pointed out in the comments: ECMA-262 "ECMAScript® Language Specification", rea...
Using the “final” modifier whenever applicable in Java [closed]
...oo.txt");
else
System.out.println("test failed");
in.read(); // Compiler error because variable 'in' might be unassigned
By preventing a variable from being assigned more than once, you discourage overbroad scoping. Instead of this:
String msg = null;
for(int i = 0; i < 10; i++) {
msg...
Parsing a JSON string in Ruby
...ny cases you want to wrap JSON.parse within a rescue block for JSON::ParserError.
– johnml
Jun 10 '14 at 10:48
JSON.pa...
Rails 3 - can't install pg gem
...
As stated in your error log you need to pass in the path to the pg_config. Try to install the gem using:
gem install pg -- --with-pg-config= 'PATH_TO_YOUR_PG_CONFIG'
If you are not sure where your pg_config is, and assuming you are on Linux...
Can someone explain Microsoft Unity?
...>(); and you didn't Configure the SomeConcreteClass? Would you get and error in that case?
– RayLoveless
Jun 7 '13 at 21:50
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What does the [Flags] Enum Attribute mean in C#?
...say ThirtySecond = 2147483648 for an int type enum, the compiler throws an error.
– aaaantoine
Jun 3 '14 at 20:58
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How to serve an image using nodejs
...xt and images
serves index.html as a default directory index
responds with error codes for missing files
no path traversal vulnerabilities
no race conditions while reading files
I tested every version on Node versions 4, 5, 6 and 7.
express.static
This version uses the express.static built-in mi...