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How to convert int to char with leading zeros?
..."Len()" function works on ints, so there's no need to convert the int to a string before calling the len() function.
Lastly, you are not taking into account the case where the size of your int > the total number of digits you want it padded to (@intLen).
Therefore, a more concise / correct solu...
How can I convert tabs to spaces in every file of a directory?
...
DO NOT USE SED! If there's an embedded tab in a string, you may end up mangling your code. This is what expand command was meant to handle. Use expand.
– David W.
Nov 12 '13 at 17:11
...
Variable declaration placement in C
...ation and initialization of a C++ local object then you pay the cost of an extra constructor for nothing. If the no-arg constructor does not exist then again you are not even allowed to separate both!
C99 starts to move C in this same direction.
If you are worried of not finding where local varia...
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...
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...
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 ...
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 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.
...
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 ?
...
Converting bool to text in C++
...s is a dumb question, but is there any way to convert a boolean value to a string such that 1 turns to "true" and 0 turns to "false"? I could just use an if statement, but it would be nice to know if there is a way to do that with the language or standard libraries. Plus, I'm a pedant. :)
...