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Flask raises TemplateNotFound error even though template file exists
...dule, and that you did in fact put a home.html file in that subdirectory. If your app is a package, the templates folder should be created inside the package.
myproject/
app.py
templates/
home.html
myproject/
mypackage/
__init__.py
templates/
hom...
Split string based on a regular expression
...
By using (,), you are capturing the group, if you simply remove them you will not have this problem.
>>> str1 = "a b c d"
>>> re.split(" +", str1)
['a', 'b', 'c', 'd']
However there is no need for regex, str.split without any delimiter...
Unzip All Files In A Directory
... I needed the backslash with Zsh. I don't know of a reason you'd need it if you're using Bash.
– Don McCurdy
Oct 27 '15 at 6:23
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How do I clone a generic list in C#?
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@MichaelGG, what if you don't want to Convert but just Clone/Duplicate the items in the list? Would this work? || var clonedList = ListOfStrings.ConvertAll(p => p);
– IbrarMumtaz
Aug 17 '14 at 15:42
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Pass Variables by Reference in Javascript
...ou can pass-by-value a reference to an object) and then have a function modify the object contents:
function alterObject(obj) {
obj.foo = "goodbye";
}
var myObj = { foo: "hello world" };
alterObject(myObj);
alert(myObj.foo); // "goodbye" instead of "hello world"
You can iterate over the prop...
Evaluate expression given as a string
I'm curious to know if R can use its eval() function to perform calculations provided by e.g. a string.
7 Answers
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On select change, get data attribute value
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I've just come across this and I am wondering if the first method is preferred due to performance reasons, or another reason? @JordanBrown
– Clarkey
Aug 19 '15 at 15:31
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MySQL: Fastest way to count number of rows
... mysql to php. Why do it when you can achieve the same on the mysql side?
If the COUNT(*) is slow, you should run EXPLAIN on the query, and check if indexes are really used, and where should they be added.
The following is not the fastest way, but there is a case, where COUNT(*) doesn't really f...
Getting content/message from HttpResponseMessage
... @Klemzy - Look at the example here. Scroll down to the second step. If you can't figure it out, I'll edit my answer and give you an example for you
– Icemanind
Apr 10 '13 at 21:08
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What's the difference between require and require-dev? [duplicate]
I'm new to the composer and I would like to know the difference between require and require-dev .
The composer website doesn't offer a good explanation the difference between these two.
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