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Delete an element from a dictionary
...a time when i wanted copies of the dictionary, i've always relied on 'everyones' copy being the same. great point.
– tMC
Apr 30 '11 at 21:38
30
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Why are there no ++ and -- operators in Python?
...ine.
It's not a decision of whether it makes sense, or whether it can be done--it does, and it can. It's a question of whether the benefit is worth adding to the core syntax of the language. Remember, this is four operators--postinc, postdec, preinc, predec, and each of these would need to have i...
Foreach loop, determine which is the last iteration of the loop
...
How about a good old fashioned for loop?
for (int i = 0; i < Model.Results.Count; i++) {
if (i == Model.Results.Count - 1) {
// this is the last item
}
}
Or using Linq and the foreach:
foreach (Item result in Model.Results...
Metadata file '.dll' could not be found
...s well and lead to very strange Visual Studio behaviour, so deleting it is one of the things I always try.
Note that deleting the .suo file will reset the startup project(s) of the solution.
More on the .suo file is here.
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What is the difference between “text” and new String(“text”)?
... String s = "text"; may reuse an instance from the string constant pool if one is available.
You very rarely would ever want to use the new String(anotherString) constructor. From the API:
String(String original) : Initializes a newly created String object so that it represents the same sequenc...
PHP global in functions
... have a variable holding 1 somewhere outside. But when you pull in global $one inside the function, you couple to the global scope and expect it to have a variable of that defined somewhere. The function is no longer independent then.
Even worse, when you are changing globals inside your function,...
Java synchronized method lock on object, or method?
...object would block each other anyway.
If you want to synchronize only on one variable at a time, so two threads won't block each other while accessing different variables, you have synchronize on them separately in synchronized () blocks. If a and b were object references you would use:
public vo...
How to check if one DateTime is greater than the other in C#
...ndDate . I want to make sure StartDate is before EndDate . How is this done in C#?
11 Answers
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How to delete large data of table in SQL without log?
...able with same schema and import these rows back into this ex-Large table.
One last option I can think of is to change your database's Recovery Mode to SIMPLE and then delete rows in smaller batches using a while loop something like this..
DECLARE @Deleted_Rows INT;
SET @Deleted_Rows = 1;
WHILE (...
Regular cast vs. static_cast vs. dynamic_cast [duplicate]
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood. I've obviously used regular casts i.e.
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