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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...
How do I perform an insert and return inserted identity with Dapper?
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@MarcGravell: Wow! Great Marc, that's a good one! I didn't realize that scope_identity return type is numeric(38,0). +1 a really good find. Never though of it really and I'm sure I'm not the only one.
– Robert Koritnik
Nov 26 '11 a...
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
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git mv and only change case of directory
...lapsing the 2 commits. You can just move the file in the index, but to someone that is new to git, it may not be explicit enough as to what is happening. The shorter version is
git mv foo foo2
git mv foo2 FOO
git commit -m "changed case of dir"
As suggested in one of the comments, you can also do...
PHPUnit assert that an exception was thrown?
Does anyone know whether there is an assert or something like that which can test whether an exception was thrown in the code being tested?
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Get string character by index - Java
... documentation on String.charAt. If you want another simple tutorial, this one or this one.
If you don't want the result as a char data type, but rather as a string, you would use the Character.toString method:
String text = "foo";
String letter = Character.toString(text.charAt(0));
System.out.pri...
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...
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"
– ...
Is there a way for multiple processes to share a listening socket?
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So for one connection, either parent or child gets it. But who gets the connection is indeterministic, right?
– Hot.PxL
May 2 '15 at 5:36
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