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How to make connection to Postgres via Node.js
... I interact with this through node? For example, what would the connectionstring be, or how am I able to find out what it is.
...
LINQ: “contains” and a Lambda query
... open,
closed,
weird,
};
public string Name { get; set; }
public StatusType Status { get; set; }
}
public static List <Building> buildingList = new List<Building> ()
{
new Building () { Name = "one", Status = Buildin...
How do pointer to pointers work in C?
...--+----+----+----+----+
What you can see here, is that at address 63 the string "hello" starts. So in this case, if this is the only occurrence of "hello" in memory then,
const char *c = "hello";
... defines c to be a pointer to the (read-only) string "hello", and thus contains the value 63. c ...
node.js execute system command synchronously
...re("node-ffi");
var libc = new FFI.Library(null, {
"system": ["int32", ["string"]]
});
var run = libc.system;
run("echo $USER");
[EDIT Jun 2012: How to get STDOUT]
var lib = ffi.Library(null, {
// FILE* popen(char* cmd, char* mode);
popen: ['pointer', ['string', 'string']],
// voi...
Array or List in Java. Which is faster?
I have to keep thousands of strings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
...
深入浅出计算机字符集编码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...台采用的是JAVA编程，问题便很容易解决直接用destStr = new String(sourceStr.getByte(“UTF-8”), “EUC-JP”)就可以进行编码的转换，不过C++就没那么幸运了，除非按照一定的逻辑自行实现一套编码转换的方法，当然从各方面限制来看是不...
How to set up Spark on Windows?
...o choose a Spark pre-built package for Hadoop Spark download. Download and extract it.
Set SPARK_HOME and add %SPARK_HOME%\bin in PATH variable in environment variables.
Run command: spark-shell
Open http://localhost:4040/ in a browser to see the SparkContext web UI.
...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
In my script, requests.get never returns:
6 Answers
6
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XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...
If you are doing something like writing HTML and Javascript in a code editor on your personal computer, and testing the output in your browser, you will probably get error messages about Cross Origin Requests. Your browser will render HTML and run Javascript, jQuery, angularJs in...
LINQ Aggregate algorithm explained
...6. Then adds 6 and 4 to make 10.
Example 2. create a csv from an array of strings
var chars = new []{"a","b","c", "d"};
var csv = chars.Aggregate( (a,b) => a + ',' + b);
Console.WriteLine(csv); // Output a,b,c,d
This works in much the same way. Concatenate a a comma and b to make a,b. Then co...