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How to check if a file exists in the Documents directory in Swift?
...thForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0] as String
let url = NSURL(fileURLWithPath: path)
if let pathComponent = url.appendingPathComponent("nameOfFileHere") {
let filePath = pathComponent.path
let fileManager = FileManager.default
if fi...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...
public class KeyAndValue<T>
{
public string Key { get; set; }
public virtual T Value { get; set; }
}
public class KeyAndValue : KeyAndValue<string>
{
public override string Value { get; set; }
}
This is an extension off the existing answers. It ...
Using current time in UTC as default value in PostgreSQL
...
Correction: The 'utc' string must also be single-quoted, not double-quoted.
– code_dredd
Nov 22 '19 at 1:11
add a comment
...
Testing Private method using mockito
How to test private method is called or not, and how to test private method using mockito???
12 Answers
...
ASP.NET MVC - Find Absolute Path to the App_Data folder from Controller
...
ASP.NET MVC1 -> MVC3
string path = HttpContext.Current.Server.MapPath("~/App_Data/somedata.xml");
ASP.NET MVC4
string path = Server.MapPath("~/App_Data/somedata.xml");
MSDN Reference:
HttpServerUtility.MapPath Method
...
Inserting a Python datetime.datetime object into MySQL
...t rather than a DateTime.
If that doesn't work, then converting that to a string should work:
now = datetime.datetime(2009,5,5)
str_now = now.date().isoformat()
cursor.execute('INSERT INTO table (name, id, datecolumn) VALUES (%s,%s,%s)', ('name',4,str_now))
...
C# Java HashMap equivalent
...xer. It goes like this :
public class NullableDictionnary : Dictionary<string, string>
{
string null_value;
public StringDictionary this[string key]
{
get
{
if (key == null)
{
return null_value;
}
re...
Convert Go map to json
I tried to convert my Go map to a json string with encoding/json Marshal, but it resulted in a empty string.
3 Answers
...
Add directives from directive in AngularJS
...ve needs to have a lower priority than this, or else you will only get the string values of the attributes due to the directory being terminal. See (see this github pull request and this related issue)
– Simen Echholt
Jan 5 '14 at 13:56
...
Why catch and rethrow an exception in C#?
...haps wrap the original exception in one of your own making:
public static string SerializeDTO(DTO dto) {
try {
XmlSerializer xmlSer = new XmlSerializer(dto.GetType());
StringWriter sWriter = new StringWriter();
xmlSer.Serialize(sWriter, dto);
return sWriter.ToString();
}...