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How can you use optional parameters in C#?
...te: This question was asked at a time when C# did not yet support optional parameters (i.e. before C# 4).
23 Answers
...
Can a Byte[] Array be written to a file in C#?
.../ Convert the Binary AnyFile to Byte[] format
/// </summary>
/// <param name="image"></param>
/// <returns></returns>
public static byte[] ConvertANYFileToBytes(HttpPostedFileBase image)
{
byte[] imageBytes = null;
BinaryReader reader = new BinaryReader(image.In...
Easiest way to read from and write to files
...rite the string Str to a file
/// </summary>
/// <param name="Str"></param>
/// <param name="Filename"></param>
public static void WriteToFile(this string Str, string Filename)
{
File.WriteAllText(Filename, Str);
...
@RequestParam vs @PathVariable
What is the difference between @RequestParam and @PathVariable while handling special characters?
7 Answers
...
Import PEM into Java Key Store
...
/**
* Create a KeyStore from standard PEM files
*
* @param privateKeyPem the private key PEM file
* @param certificatePem the certificate(s) PEM file
* @param the password to set to protect the private key
*/
public static KeyStore createKeyStore(File private...
How to implement a rule engine?
...eneric method)
public Func<User, bool> CompileRule(Rule r)
{
var paramUser = Expression.Parameter(typeof(User));
Expression expr = BuildExpr(r, paramUser);
// build a lambda function User->bool and compile it
return Expression.Lambda<Func<User, bool>>(expr, param...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
...*
Set the anchorPoint of view without changing is perceived position.
@param view view whose anchorPoint we will mutate
@param anchorPoint new anchorPoint of the view in unit coords (e.g., {0.5,1.0})
@param xConstraint an NSLayoutConstraint whose constant property adjust's view x.center
@para...
Spring MVC @PathVariable with dot (.) is getting truncated
...t is a file extension such as .jsonor .xml and trucate it to retrieve your parameter.
So if you have /somepath/{variable} :
/somepath/param, /somepath/param.json, /somepath/param.xml or /somepath/param.anything will result in a param with value param
/somepath/param.value.json, /somepath/param.va...
Detect network connection type on Android
.../
public class Connectivity {
/**
* Get the network info
* @param context
* @return
*/
public static NetworkInfo getNetworkInfo(Context context){
ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
return...
HTTP requests and JSON parsing in Python
...ort requests
url = 'http://maps.googleapis.com/maps/api/directions/json'
params = dict(
origin='Chicago,IL',
destination='Los+Angeles,CA',
waypoints='Joplin,MO|Oklahoma+City,OK',
sensor='false'
)
resp = requests.get(url=url, params=params)
data = resp.json() # Check the JSON Respo...