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Why is “except: pass” a bad programming practice?
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Try to avoid passing in except blocks
When explicitly catching a small selection of specific exceptions, there are many situations in which we will be fine by simply doing nothing. In such cases, just having except SomeSpecificException: pass is just fine. Most of the time though, this is not th...
Is a `=default` move constructor equivalent to a member-wise move constructor?
... remains in the overload set, and the program is ill-formed if it would be selected. When it is implicitly deleted, it is removed from the overload set. See Deleted implicitly-declared move constructor
– Caleth
Oct 3 '18 at 11:18
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Update relationships when saving changes of EF4 POCO objects
...ategories" is an IEnumerable containing the IDs of the categories the user selected in the view.
db.Entry(dataobj).State = EntityState.Modified;
db.SaveChanges();
dataobj = db.ServiceTypes.Include(x => x.Categories).Single(x => x.Id == dataobj.Id);
var it = _categories != null...
Multiple INSERT statements vs. single INSERT with multiple VALUES
...t
One place where this information is leveraged is shown by @Lieven here
SELECT *
FROM (VALUES ('Lieven1', 1),
('Lieven2', 2),
('Lieven3', 3))Test (name, ID)
ORDER BY name, 1/ (ID - ID)
Because at compile time it can determine that the Name column has no duplicates it...
Is cout synchronized/thread-safe?
...cent version of MSVC (currently for VS 2010/MSVC 10/cl.exe 16.x). You can select the information for older versions of MSVC using a dropdown control on the page (and the information is different for older versions).
share
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Break a previous commit into multiple commits
...g git reset HEAD~, go through the patches individually using git add -p to select the ones you want in each commit
Edit the working copy to remove the changes you do not want; commit that interim state; and then pull back the full commit for the next round.
Option 2 is useful if you're splitting a...
Algorithm to generate a crossword
...the previous steps can just be done once.
First step of the algorithm is select an empty wordslot (grid word) at random and fill it with a candidate word from its associated wordlist (randomization enables to produce different solutons in consecutive executions of the algorithm) ( complexity O(1)...
Perl build, unit testing, code coverage: A complete working example
...ESS_PERL_SWITCHES}. For example: -MDevel::Cover=+ignore,.t$,+inc,/app/lib,-select,MyModule.pm where /app/lib is the application-private library and MyModule.pm is the module under test.
– Michael Carman
Apr 27 '10 at 16:33
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How to handle dependency injection in a WPF/MVVM application
...would switch from one view to another within this region, e.g. as the user selects menu items or whatever.
Alternatively take a look at one of the MVVM frameworks such as MVVM Light. I've got no experience of these so can't comment on what they're like to use.
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Filter rows which contain a certain string
... @MySchizoBuddy: If the column name contains white space, you can select the variable using backticks. Modifying the example above: mtcars$`my type` <- rownames(mtcars) and then mtcars %>% filter(grepl('Toyota|Mazda', `my type`))
– alex23lemm
Ju...