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What does Expression.Quote() do that Expression.Constant() can’t already do?
...resentation for two very different things is extremely confusing and bug prone.
Long answer:
Consider the following:
(int s)=>(int t)=>s+t
The outer lambda is a factory for adders that are bound to the outer lambda's parameter.
Now, suppose we wish to represent this as an expression tre...
What C++ Smart Pointer Implementations are available?
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C++03
std::auto_ptr - Perhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacceptable for holding array alloca...
TypeScript Objects as Dictionary types as in C#
...his, but there are also some potential gotchas with this approach, the big one being that there's no safe and easy way to iterate through all the members. This code, for instance, shows that map contains two members: (<any>Object.prototype).something = function(){}; class Customer{} va...
How to uncommit my last commit in Git [duplicate]
... and means "the commit before". So, HEAD^ is the commit before the current one, just as master^ is the commit before the tip of the master branch.
Here's the portion of the git-rev-parse documentation describing all of the ways to specify commits (^ is just a basic one among many).
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How can I efficiently select a Standard Library container in C++11?
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Not that I know of, however it can be done textually I guess. Also, the chart is slightly off, because list is not such a good container in general, and neither is forward_list. Both lists are very specialized containers for niche applications.
To build such a ch...
What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
... path does not really consider those issues or existence of any of the components, only the syntax of it.
– escape-llc
Sep 13 '16 at 9:58
1
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How does push notification technology work on Android?
...implemented their push notification feature? Does it work through polling done by a service running in the background or in a different way?
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cartesian product in pandas
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So to do this properly one has to first find an unused column name, then add dummy columns with that name, merge, and finally drop the column on the result? Creating, as opposed to reading, data with pandas is just a pain
– Ba...
How to set child process' environment variable in Makefile
...puts the correct expansion for the first row, but only echo for the second one. PROJ_ROOT is not set after running make. Spaces around = give "bad variable name" for export. Having the first row as prerequisite as in your example gives "commands commence before first target"
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NodeJS / Express: what is “app.use”?
...ll add onto your Express middleware stack. Middleware layers can be added one by one in multiple invocations of use, or even all at once in series with one invocation.
See use documentation for more details.
To give an example for conceptual understanding of Express Middleware, here is what my app...