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In Vim, how do I delete everything within the double quotes?
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For me it's di"<spacebar>. For some keyboards it is necessary to hit spacebar to send the double quote character.
– André Staltz
Mar 31 '13 at 10:34
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Sell me on const correctness
...ng tight C++ code, this is good.
You are correct in that it can be difficult to use const-correctness consistently, but the end code is more concise and safer to program with. When you do a lot of C++ development, the benefits of this quickly manifest.
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Loop through all nested dictionary values?
..., the stack/recursion will run infinitely.
root<-------back edge
/ \ |
_key1 __key2__ |
/ / \ \ |
|->key1.1 key2.1 key2.2 key2.3
| / ...
Is there a foreach loop in Go?
...nt is the value of the element (a copy) -- it is not the element itself. Although you can assign to element, this will not effect the underlying sequence.
– Brent Bradburn
Dec 8 '18 at 20:15
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Using PowerShell to write a file in UTF-8 without the BOM
...tem namespace clarification - it will be substituted automatically by default.)
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Procedure expects parameter which was not supplied
...efit of people new to this problem.
The solution that i prefer is to default the stored procedure parameters to NULL (or whatever value you want), which was mentioned by sangram above, but may be missed because the answer is very verbose. Something along the lines of:
CREATE PROCEDURE GetEmployee...
Add UIPickerView & a Button in Action sheet - How?
...rrors in iOS 7. I just spent a few hours working through this problem and ultimately decided to take a different approach. I replaced the call to show the action sheet with a modal view controller containing a simple tableview.
There are many ways to accomplish this. Here's one way that I just imp...
Django, creating a custom 500/404 error page
...0 or 404 error page. If I do type in a bad url, the page gives me the default error page. Is there anything I should be checking for that would prevent a custom page from showing up?
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Using Regex to generate Strings rather than match them
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There is alternative for xeger and generex. It lacks all these drawbacks and is not obsolete. Please scroll down to my answer.
– Vladislav Varslavans
Apr 24 at 15:17
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What's the difference between belongs_to and has_one?
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It's about where the foreign key sits.
class Foo < AR:Base
end
If foo belongs_to :bar, then the foos table has a bar_id column
If foo has_one :bar, then the bars table has a foo_id column
On the conceptual level, if your class A has a has_one relationship with class ...