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In which scenario do I use a particular STL container?
I've been reading up on STL containers in my book on C++, specifically the section on the STL and its containers. Now I do understand each and every one of them have their own specific properties, and I'm close to memorizing all of them... But what I do not yet grasp is in which scenario each of the...
Insert new column into table in sqlite?
... ADD COLUMN COLNew {type};
Second, and more complicatedly, but would actually put the column where you want it, would be to rename the table:
ALTER TABLE {tableName} RENAME TO TempOldTable;
Then create the new table with the missing column:
CREATE TABLE {tableName} (name TEXT, COLNew {type} DE...
What is the equivalent of the C# 'var' keyword in Java?
...to give a proper type to myData. 6 years ago, this was impossible in Java (all Types had names, even if they were extremely verbose and unweildy). I do not know if this has changed in the mean time.
var is not the same as dynamic. variables are still 100% statically typed. This will not compile:
va...
Best practices to test protected methods with PHPUnit
... not be coupled with the test. This makes refactoring impossible and eventually you don't test what needs to be tested. You need to test them indirectly using public methods. If you find this difficult, almost sure that there is a problem with the composition of the class and you need to separate it...
A free tool to check C/C++ source code against a set of coding standards? [closed]
...sible" only for very simple tasks. Since Vera's understanding of C++ is shallow, any "deep style check" (consider a possible [I'm not suggesting good] rule: for every allocation, there's a corresponding deallocation in the same function) will have to encode the appropriate C++ knowledge, and that i...
Difference between Covariance & Contra-variance
...ng function that associates one member of a set with another. More specifically, a mapping can be covariant or contravariant with respect to a relation on that set.
Consider the following two subsets of the set of all C# types. First:
{ Animal,
Tiger,
Fruit,
Banana }.
And second, this c...
When to use Vanilla JavaScript vs. jQuery?
... there are certain practices using javascript, instead of jQuery, that actually enable you to write less and do ... well the same amount. And may also yield performance benefits.
...
How to run a PowerShell script without displaying a window?
... your script.. }
Or you use a helper file I created to avoid the window called PsRun.exe that does exactly that. You can download source and exe file Run scheduled tasks with WinForm GUI in PowerShell. I use it for scheduled tasks.
Edited: as Marco noted this -windowstyle parameter is available o...
Sticky sidebar: stick to bottom when scrolling down, top when scrolling up
...e very nice and ilustrative image.
I know it's an old question, but I casually found the same question posted by you in forum.jquery.com and one answer there (by@tucker973), suggested one nice library to make this and wanted to share it here.
It's called sticky-kit by @leafo
github proyect
webpa...
Seeking clarification on apparent contradictions regarding weakly typed languages
...xamples of programming languages that simply coerce/convert types automatically.
9 Answers
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