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MySQL Results as comma separated list
... valid. Any database conforming to the SQL standard will treat this as an error. For this case, either use MAX(p.name) in the select list or add p.name to the GROUP BY clause. Since Paul probably means p.id to represent a primary or unique key, adding p.name to the GROUP BY clause will have no im...
Can an enum class be converted to the underlying type?
...ields : unsigned { field = 1 };
// ...
unsigned x = my_fields::field; // ERROR!
unsigned x = static_cast<unsigned>(my_fields::field); // OK
Also mind the fact, that the semicolon should be after the closed curly brace in your enum's definition, not before.
...
ASP.NET MVC Razor pass model to layout
...div class="row">
i disagree that passing a model to the _layout is an error, some user info can be passed and the data can be populate in the controllers inheritance chain so only one implementation is needed.
obviously for more advanced purpose you should consider creating custom static conta...
Which method performs better: .Any() vs .Count() > 0?
...nt and then doing Where with Count == 0.
Let me know if you guys see some error in my findings. What can be taken out of all this regardless of Any vs Count discussion is that any more complex LINQ is way better off when rewritten as Stored Procedure ;).
...
What are the Web.Debug.config and Web.Release.Config files for?
...g the CS named "test"
When executing the application gives the following error:
The connection name 'test' was not found in the applications configuration or the connection string is empty.
In other words, because the connection string elements are in the Release/Debug designer files and use...
Swift equivalent for MIN and MAX macros
...
If you're getting a fun compiler error in XCode 9 like me, saying that max() doesn't exist even when you clearly pass it two Ints, then change it to Swift.max and suddenly yay, things are better. Thanks wm.p1us!
– xaphod
...
instanceof Vs getClass( )
...instanceof <Class variable>.getClass()) {
as it gives a compile error.
Instead, here is an alternative - isAssignableFrom()
For example:
public static boolean isASubClass(Class classTypeWeWant, Object objectWeHave) {
return classTypeWeWant.isAssignableFrom(objectWeHave.getClass())
...
Can I get a patch-compatible output from git-diff?
...m As I said, just for ultimate safety, no need to undo anything in case of error. I was also thinking about people who read this and want to use patch outside of git (maybe using a patch file generated by diff) in a more general use case.
– ᴠɪɴᴄᴇɴᴛ
J...
How to redirect output with subprocess in Python?
...
size = 'ffprobe -v error -show_entries format=size -of default=noprint_wrappers=1:nokey=1 dump.mp4 > file'
proc = subprocess.Popen(shlex.split(size), shell=True)
time.sleep(1)
proc.terminate() #proc.kill() modify it by a suggestion
size = ""...
Moving from CVS to Git: $Id$ equivalent?
...
What is git co supposed to do? I got the error message "git: 'co' is not a git command. See 'git --help'." Should it be git checkout?
– Peter Mortensen
Jul 28 '18 at 19:51
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