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How can I convert a hex string to a byte array? [duplicate]
Can we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
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How to find nth occurrence of character in a string?
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If your project already depends on Apache Commons you can use StringUtils.ordinalIndexOf, otherwise, here's an implementation:
public static int ordinalIndexOf(String str, String substr, int n) {
int pos = str.indexOf(substr);
while (--n > 0 && pos != -1)
pos...
Docker EXPOSE a port only to Host
...:27017
Also: Your host can also talk to each container normally over its IP. Use docker inspect $ID to get a json dump (beside other stuff) containing the network IP.
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What is the “assert” function?
...e <assert.h>
void analyze (char *, int);
int main(void)
{
char *string = "ABC";
int length = 3;
analyze(string, length);
printf("The string %s is not null or empty, "
"and has length %d \n", string, length);
}
void analyze(char *string, int length)
{
assert(string ...
Objective-C : BOOL vs bool
...mp; __LP64__) || TARGET_OS_WATCH
typedef bool BOOL;
#else
typedef signed char BOOL;
// BOOL is explicitly signed so @encode(BOOL) == "c" rather than "C"
// even if -funsigned-char is used.
#endif
#define YES ((BOOL)1)
#define NO ((BOOL)0)
So, yes, you can assume that BOOL is a char. You can ...
Getting request payload from POST request in Java servlet
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String payloadRequest = getBody(request);
Using this method
public static String getBody(HttpServletRequest request) throws IOException {
String body = null;
StringBuilder stringBuilder = new StringBuilder();
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Initializing a static std::map in C++
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I'm using your first sample as <int,string> to bind error-numbers (from an enum) with messages - it is working like a charm - thank you.
– slashmais
Sep 22 '10 at 10:57
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Add leading zeroes to number in Java? [duplicate]
...its, and I feel like it should be in the library somewhere (like Integer.toString(x,"%3d") or something)
5 Answers
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What is the easiest way in C# to trim a newline off of a string?
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The following works for me.
sb.ToString().TrimEnd( '\r', '\n' );
or
sb.ToString().TrimEnd( Environment.NewLine.ToCharArray());
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How to set caret(cursor) position in contenteditable element (div)?
...and an offset within that node. For example, to set the caret to the fifth character of the second line of text, you'd do the following:
function setCaret() {
var el = document.getElementById("editable")
var range = document.createRange()
var sel = window.getSelection()
rang...