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What do *args and **kwargs mean? [duplicate]
... @PaulD.Waite: No problem. I wonder how many rookies found this error by trying to use your code, but were telling themselves "I must be doing something wrong here, this answer has so many votes" ;) Another upvote from me, because it is very clear and very good.
– Ta...
Laravel requires the Mcrypt PHP extension
...ate function in Laravel 4 on OSX . However, I am getting the following error:
22 Answers
...
Applications are expected to have a root view controller at the end of application launch
I get the following error in my console:
49 Answers
49
...
How do I compile and run a program in Java on my Mac?
...r$ cd ~ david-allenders-macbook-pro:~ davidallender$ javac Helloworld.java error: cannot read: Helloworld.java 1 error david-allenders-macbook-pro:~ davidallender$ what did i do wrong?
– David
Mar 2 '10 at 5:44
...
'const int' vs. 'int const' as function parameters in C++ and C
...gned to.
static int one = 1;
int testfunc3 (const int *a)
{
*a = 1; /* Error */
a = &one;
return *a;
}
int testfunc4 (int * const a)
{
*a = 1;
a = &one; /* Error */
return *a;
}
int testfunc5 (const int * const a)
{
*a = 1; /* Error */
a = &one; /* Error */
return...
How to parse JSON using Node.js? [closed]
...tf8', function (err, data) {
if (err) throw err; // we'll not consider error handling for now
var obj = JSON.parse(data);
});
Synchronous version
var fs = require('fs');
var json = JSON.parse(fs.readFileSync('/path/to/file.json', 'utf8'));
You wanna use require? Think again!
You can ...
Why does calling a function in the Node.js REPL with )( work?
... to be a Node REPL bug, putting these two lines in a .js will cause syntax error.
function hi() { console.log("Hello, World!"); }
hi)(
Error:
SyntaxError: Unexpected token )
at Module._compile (module.js:439:25)
at Object.Module._extensions..js (module.js:474:10)
at Module.load (modu...
Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...
I was able to add the following to my .bash_profile to prevent the error:
export PGHOST=localhost
This works because:
If you omit the host name, psql will connect via a Unix-domain socket to a server on the local host, or via TCP/IP to localhost on machines that don't have Unix-domain...
error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型...
1>d:\xxx\childfrm.h(73): error C2143: 语法错误 : 缺少“;”(在“*”的前面)
1>d:\xxx\childfrm.h(73): error C4430: 缺少类型说明符 - 假定为 int。注意: C++ 不支持默认 int
一般这个错误是没有include头文件导致，
仔细检查下 .h 中是不是定义...
How to set up Spark on Windows?
...t when I run the command ./start-master.sh in the sbin directory I get the error Error: Could not find or load main class org.apache.spark.launcher.Main full log in /cygdrive/c/Spark/spark-1.5.1/sbin/../logs/spark-auser-org.apache.spark.deploy.master.Master-1.host
– Geek
...