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String concatenation vs. string substitution in Python
...ou are profiling how. For one your concat is slow because you have two str casts in it. With strings the result is the opposite, since string concat is actually faster than all the alternatives when only three strings are concerned.
– Justus Wingert
Sep 16 '15 ...
How can I return an empty IEnumerable?
...ange things if he returned, say, new List<Friend>() since it will be cast to IEnumerable<Friend> when returned from that method?
– Sarah Vessels
Jul 12 '10 at 16:57
73
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Using a Single Row configuration table in SQL Server database. Bad idea?
...ing with the settings in code, you have to know what type a setting is and cast it
The single row option is by far the easiest one to work with. This is because you can store each setting in its correct type in the database and not have to store the types of the settings as well as their lookup key...
Sending HTTP POST Request In Java
... it to a URLConnection using url.openConnection();. After that, we need to cast it to a HttpURLConnection, so we can access its setRequestMethod() method to set our method. We finally say that we are going to send data over the connection.
URL url = new URL("https://www.example.com/login");
URLConn...
How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he
...gdb might not know the return type of strcmp. That means you would have to cast, otherwise it would always evaluate to true!
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Encode html entities in javascript
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@S.B. Thanks for that note, I even got to cast the final approve vote :)
– Chris Baker
Apr 8 '14 at 14:21
1
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Why CancellationToken is separate from CancellationTokenSource?
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That might still result in a crafty programmer casting to CancellationTokenSource. You'd think you could just say "don't do that", but people (including me!) do occasionally do these things anyway to get at some hidden functionality, and it'd happen. That's my current the...
Extension method and dynamic object
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It might be more readable to cast back to the know type, this works: Console.WriteLine(((List<int>)dList).First()); Or Console.WriteLine((dList as List<int>).First());.
– AVee
Jun 18 '19 at 13:46
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What is a bus error?
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In my case, a method static_casted a void * parameter to an object that stores a callback (one attribute points to the object and the other to the method). Then the callback is called. However, what was passed as void * was something completely differen...
Intent - if activity is running, bring it to front, else start a new one (from notification)
...ificationCompat.Builder(THIS_CONTEXT)
.setSmallIcon(R.drawable.cast_ic_notification_0)
.setContentTitle("Title")
.setContentText("Content")
.setContentIntent(intent)
.setPriority(PRIORITY_HIGH) //private static final PRIORITY_HIGH = 5;
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