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How can I print the contents of a hash in Perl?
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edited Nov 3 '12 at 11:25
hippietrail
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Handling an empty UITableView. Print a friendly message
I have a UITableView that in some cases it is legal to be empty. So instead of showing the
background image of the app, I would prefer to print a friendly message in the screen, such as:
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How do I check (at runtime) if one class is a subclass of another?
Let's say that I have a class Suit and four subclasses of suit: Heart, Spade, Diamond, Club.
9 Answers
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Why does Date.parse give incorrect results?
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Until the 5th edition spec came out, the Date.parse method was completely implementation dependent (new Date(string) is equivalent to Date.parse(string) except the latter returns a number rather than a Date). In the 5th edition spec the requ...
C++ Redefinition Header Files (winsock2.h)
...the in MyClass.h and then I'm including MyClass.h in many files, so it includes multiple times and redefinition error occurs. How to prevent?
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How to pass objects to functions in C++?
...hich case you pass by non-const reference
the function should be callable without any argument, in which case you pass by pointer, so that users can pass NULL/0/nullptr instead; apply the previous rule to determine whether you should pass by a pointer to a const argument
they are of built-in types, ...
Received an invalid column length from the bcp client for colid 6
...database.
Verify the data in excel. Also verify the data in the excel for its format to be in compliance with the database table schema.
To avoid this, try exceeding the data-length of the string datatype in the database table.
Hope this helps.
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Get Folder Size from Windows Command Line
Is it possible in Windows to get a folder's size from the command line without using any 3rd party tool?
17 Answers
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What are the “must have” jQuery plugins? [closed]
...ieving and manipulating json data.
Cookie
Simple & lightweight utility plugin for reading, writing and deleting cookies.
Vaildation
For validating form input data.
UI
Full-featured themable and ready-to-use widgets and more...
Interface
Dragging, Sortables, Droppables, plug-and-play...
How the single threaded non blocking IO model works in Node.js
... article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
7 Answers
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