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SQL keys, MUL vs PRI vs UNI
...ue index. You can issue
show create table <table>;
To see more information about the table structure.
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Create objective-c class instance by name?
...o create a variable, then the compiler will verify that the class exists.
For example, in your .h:
@property Class NameOfClass;
and then in your .m:
id object = [[NameOfClass alloc] init];
If you mistyped the class name or if it doesn't exist, you'll get an error at compile time. Also I think...
How To Set Text In An EditText
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If you check the docs for EditText, you'll find a setText() method. It takes in a String and a TextView.BufferType. For example:
EditText editText = (EditText)findViewById(R.id.edit_text);
editText.setText("Google is your friend.", TextView.Buffe...
Delete all data in SQL Server database
...from all tables of my database? Can I do it with one SQL command or I need for one SQL command per one table?
10 Answers
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Accessing members of items in a JSONArray with Java
...n with java. I'm not sure how to access string values within a JSONArray. For instance, my json looks like this:
6 Answers...
How to get the system uptime in Windows? [closed]
...dows Server 2008, the Task Manager has been beefed up to show additional information about the system. One of these pieces of info is the server’s running time.
Right-click on the Taskbar, and click Task Manager. You can also click CTRL+SHIFT+ESC to get to the Task Manager.
In Task Manager, sele...
How to perform Callbacks in Objective-C
How to perform call back functions in Objective-C?
5 Answers
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If threads share the same PID, how can they be identified?
..._| pid=42 |_
_/ | tgid=42 | \_ (new thread) _
_ (fork) _/ +---------+ \
/ +---------+
+---------+ | process |
| process | | pid=44 |
| pid=...
Coalesce function for PHP?
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Does not work as expected for arrays. For example when trying to check if an undefined array element is falsey will result in an error. $input['properties']['range_low'] ?: '?'
– Keyo
Jul 12 '11 at 23:28
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How to exclude property from Json Serialization
...JSON object would look like this:
{ Id: 3, Name: 'Test User' }
PS. Don't forget to add a reference to "System.Web.Extensions" for this to work
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