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StringBuilder vs String concatenation in toString() in Java
Given the 2 toString() implementations below, which one is preferred:
18 Answers
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Select all columns except one in MySQL?
...ctually work if the title's columns that you want to remove are also a sub-string of the title for any columns you wish to keep. There is a better answer that is similar to this that can be found here.
– donL
Dec 10 '12 at 22:11
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How to initialize HashSet values by construction?
... I use that is not very time efficient, but fits on a single line:
Set<String> h = new HashSet<>(Arrays.asList("a", "b"));
Again, this is not time efficient since you are constructing an array, converting to a list and using that list to create a set.
When initializing static final s...
how to convert java string to Date object [duplicate]
I have a string
5 Answers
5
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POST request via RestTemplate in JSON
...ders();
headers.setContentType(MediaType.APPLICATION_JSON);
HttpEntity<String> entity = new HttpEntity<String>(requestJson, headers);
ResponseEntity<String> response = restTemplate.put(url, entity);
I hope this helps
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How to add “active” class to Html.ActionLink in ASP.NET MVC
...vbar-nav">
<li class="@(ViewContext.RouteData.Values["Action"].ToString() == "Index" ? "active" : "")">@Html.ActionLink("Home", "Index", "Home")</li>
<li class="@(ViewContext.RouteData.Values["Action"].ToString() == "About" ? "active" : "")">@Html.ActionLink("About", "Ab...
Named string formatting in C#
Is there any way to format a string by name rather than position in C#?
18 Answers
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Single quotes vs. double quotes in Python [closed]
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I like to use double quotes around strings that are used for interpolation or that are natural language messages, and single quotes for small symbol-like strings, but will break the rules if the strings contain quotes, or if I forget. I use triple double quote...
C# Convert string from UTF-8 to ISO-8859-1 (Latin1) H
...etBytes(Message);
byte[] isoBytes = Encoding.Convert(utf8, iso, utfBytes);
string msg = iso.GetString(isoBytes);
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Adding header for HttpURLConnection
...RLConnection myURLConnection = (HttpURLConnection)myURL.openConnection();
String userCredentials = "username:password";
String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes()));
myURLConnection.setRequestProperty ("Authorization", basicAuth);
myURLConnection...