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Convert blob to base64
This is a snippet for the code that I want to do Blob to Base64 string:
9 Answers
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How to get relative path from absolute path
...ption cref="InvalidOperationException"></exception>
public static String MakeRelativePath(String fromPath, String toPath)
{
if (String.IsNullOrEmpty(fromPath)) throw new ArgumentNullException("fromPath");
if (String.IsNullOrEmpty(toPath)) throw new ArgumentNullException("toPath");...
How do I enable/disable log levels in Android?
...ay hurt your performance if it's in some hot code path. Even things like toString() or String.format() can be significant.
– Błażej Czapp
Jul 6 '12 at 16:34
...
javascript scroll event for iPhone/iPad?
... onscroll only after you've stopped scrolling.
The usual way of installing the handler works e.g.
window.addEventListener('scroll', function() { alert("Scrolled"); });
// or
$(window).scroll(function() { alert("Scrolled"); });
// or
window.onscroll = function() { alert("Scrolled"); };
// etc...
Polymorphism with gson
I have a problem deserializing a json string with Gson.
I receive an array of commands. The command can be start, stop , some other type of command. Naturally I have polymorphism, and start/stop command inherit from command.
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How to convert numbers between hexadecimal and decimal
...
To convert from decimal to hex do...
string hexValue = decValue.ToString("X");
To convert from hex to decimal do either...
int decValue = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber);
or
int decValue = Convert.ToInt32(hexValue, 16);
...
What is memory fragmentation?
...uld be nice if true, but implementations of standard C++ templates such as string & vector can have some highly undesirable behaviours when they resize. For example in older versions of visual studio the std::string basically resizes by realloc 1.5 * current_size (to the nearest 8 bytes). So if ...
inserting characters at the start and end of a string
...ying to find a way to insert a number of L's at the beginning and end of a string. So if I have a string which says
7 Answ...
Validate decimal numbers in JavaScript - IsNumeric()
...r is pretty close, but it will fail in the following cases:
// Whitespace strings:
IsNumeric(' ') == true;
IsNumeric('\t\t') == true;
IsNumeric('\n\r') == true;
// Number literals:
IsNumeric(-1) == false;
IsNumeric(0) == false;
IsNumeric(1.1) == false;
IsNumeric(8e5) == false;
Some time ag...
How to get the insert ID in JDBC?
... Statement.RETURN_GENERATED_KEYS);
) {
statement.setString(1, user.getName());
statement.setString(2, user.getPassword());
statement.setString(3, user.getEmail());
// ...
int affectedRows = statement.executeUpdate();
if (affectedRows =...