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Binary Data in JSON String. Something better than Base64

... so that it can be placed into a string element (i.e. zero or more Unicode chars in double quotes using backslash escapes) in JSON. ...
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How can you make a custom keyboard in Android?

...) { case Keyboard.KEYCODE_DELETE: CharSequence selectedText = ic.getSelectedText(0); if (TextUtils.isEmpty(selectedText)) { // no selection, so delete previous character ic.deleteSurroundingText(1, 0); ...
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iOS app error - Can't add self as subview

...ns a list of note objects. The note object has a content property in html. Select a note will go to the detail controller. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { //get note object DetailViewController *controller = [[DetailViewControlle...
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Difference between size_t and unsigned int?

...int is not the only unsigned integer type. size_t could be any of unsigned char, unsigned short, unsigned int, unsigned long or unsigned long long, depending on the implementation. Second question is that size_t and unsigned int are interchangeable or not and if not then why? They aren't inter...
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Base64: What is the worst possible increase in space usage?

...y possibly become when converted to a Base64 string (assuming one byte per character)? 5 Answers ...
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How to print time in format: 2009‐08‐10 18:17:54.811

...lt;stdio.h> #include <time.h> int main() { time_t timer; char buffer[26]; struct tm* tm_info; timer = time(NULL); tm_info = localtime(&timer); strftime(buffer, 26, "%Y-%m-%d %H:%M:%S", tm_info); puts(buffer); return 0; } For milliseconds part, have ...
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar

...? "path1" : "path2"); Contract.EndContractBlock(); CheckInvalidPathChars(path1); CheckInvalidPathChars(path2); return CombineNoChecks(path1, path2); } internal static string CombineNoChecks(string path1, string path2) { if (path2.Length == 0) return path1; if (path...
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How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?

...ER(x,y) #define NAME(fun) EVALUATOR(fun, VARIABLE) extern void NAME(mine)(char *x); $ gcc -E xx.c # 1 "xx.c" # 1 "<built-in>" # 1 "<command-line>" # 1 "xx.c" extern void mine_3(char *x); $ Two levels of indirection In a comment to another answer, Cade Roux asked why this needs t...
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How can I get a java.io.InputStream from a java.lang.String?

...but that has been @Deprecrated (with good reason--you cannot specify the character set encoding): 8 Answers ...
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How to check if a String contains another String in a case insensitive manner in Java?

..._INSENSITIVE).matcher(source).find(); EDIT: If s2 contains regex special characters (of which there are many) it's important to quote it first. I've corrected my answer since it is the first one people will see, but vote up Matt Quail's since he pointed this out. ...