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What is C# analog of C++ std::pair?
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Tuples are available since .NET4.0 and support generics:
Tuple<string, int> t = new Tuple<string, int>("Hello", 4);
In previous versions you can use System.Collections.Generic.KeyValuePair<K, V> or a solution like the following:
public ...
How to revert (Roll Back) a checkin in TFS 2010
... installed).
The other option is using the TFS 2010 version control command-line application:
tf.exe rollback
I have information about both approaches on my blog post.
For Team Foundation Server 2012, 2013, or Visual Studio Online, rollback is now built-in directly to Source Control Explorer ...
How do I get the time difference between two DateTime objects using C#?
... I just wanted to how many seconds it takes for client to make a REST call and get reply back.
– Ziggler
Feb 14 '19 at 0:04
1
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How to check if a String contains any of some strings
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Simple and obvious solution. But is there any good ready to use implementation that not require multiple iterations through haystack string? I can implement it by myself, iterating through haystack string characters and comparing fi...
Java: Best way to iterate through a Collection (here ArrayList)
...erbose IMO.
The third version is my preferred choice as well. It is short and works for all cases where you do not need any indexes or the underlying iterator (i.e. you are only accessing elements, not removing them or modifying the Collection in any way - which is the most common case).
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Difference between two dates in Python
I have two different dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
5 ...
How to fix “Attempted relative import in non-package” even with __init__.py
...s could use quite a bit more detail, given the popularity of this question and answer. Noting stuff like from what directory to execute the above shell command, the fact that you need __init__.pys all the way down, and the __package__-modifying trickery (described below by BrenBarn) needed to allow ...
How do you delete a column by name in data.table?
...the following will remove column foo from the data.table df3:
# Method 1 (and preferred as it takes 0.00s even on a 20GB data.table)
df3[,foo:=NULL]
df3[, c("foo","bar"):=NULL] # remove two columns
myVar = "foo"
df3[, (myVar):=NULL] # lookup myVar contents
# Method 2a -- A safe idiom for excl...
How do you unit test a Celery task?
... tasks. The first one (as I'm suggesting bellow) is completely synchronous and should be the one that makes sure the algorithm does what it should do. The second session uses the whole system (including the broker) and makes sure I'm not having serialization issues or any other distribution, comunic...
How can I get the DateTime for the start of the week?
How do I find the start of the week (both Sunday and Monday) knowing just the current time in C#?
32 Answers
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