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Should each and every table have a primary key?
...Short answer: yes.
Long answer:
You need your table to be joinable on something
If you want your table to be clustered, you need some kind of a primary key.
If your table design does not need a primary key, rethink your design: most probably, you are missing something. Why keep identical records?...
How to get anchor text/href on click using jQuery?
...y link you want to get the info from.
<a class="info_link" href="~/Resumes/Resumes1271354404687.docx">
~/Resumes/Resumes1271354404687.docx
</a>
For href:
$(function(){
$('.info_link').click(function(){
alert($(this).attr('href'));
// or alert($(this).hash();
});
});
...
Should I use an exception specifier in C++?
... f( T k )
{
T x( k );
x.x();
}
The copies might throw, the parameter passing might throw, and x() might throw some unknown exception.
Exception-specifications tend to prohibit extensibility.
virtual void open() throw( FileNotFound );
might evolve into
virtual void open() throw( FileN...
Update git commit author date when amending
I found myself amending my commits quite often. I don't stash so much because I tend to forget I did so, especially when I want to save what I did before I leave or before a weekend, so I do a "draft" commit. Only thing is, when I amend the commit, it is still set to the original author date. Is t...
How to bind an enum to a combobox control in WPF?
...r to create object available as binding source:
<Window x:Class="YourNamespace.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:System="clr-namespace:System;assembly=mscorlib"
...
Using NSPredicate to filter an NSArray based on NSDictionary keys
...
to clarify for new coders like me, the key line of code is 'NSArray *filtered = [data filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"(BAR == %@)", @"foo"]];' where 'data' is the nsarray of nsdictionaries that is already in your code. (thank...
Tool for adding license headers to source files? [closed]
I'm looking for a tool that will, in bulk, add a license header to some source files, some of which already have the header. Is there a tool out there that will insert a header, if it is not already present?
...
ApartmentState for dummies
...antees for a class. A COM class can publish what kind of threading requirements it has. And the COM infrastructure makes sure those requirements are met.
This is completely absent in .NET. You can use a Queue<> object for example in multiple threads but if you don't lock properly, you'll h...
Virtualizing an ItemsControl?
...lock Initialized="TextBlock_Initialized"
Text="{Binding Name}" />
</DataTemplate>
</ItemsControl.ItemTemplate>
<ItemsControl.ItemsPanel>
<ItemsPanelTemplate>
<VirtualizingStackPanel IsVirtualizing="True"
...
How to use ArgumentCaptor for stubbing?
In Mockito documentation and javadocs it says
3 Answers
3
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