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“var” or no “var” in JavaScript's “for-in” loop?
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If you write var i in the for loop the alert shows 2.
JavaScript Scoping and Hoisting
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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:
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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
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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...
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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How to use 'find' to search for files created on a specific date? [closed]
How do I use the UNIX command find to search for files created on a specific date?
9 Answers
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Most efficient way to convert an HTMLCollection to an Array
... to an Array, other than iterating through the contents of said collection and manually pushing each item into an array?
7 ...