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How to gracefully handle the SIGKILL signal in Java
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138
It is impossible for any program, in any language, to handle a SIGKILL. This is so it is alway...
When increasing the size of VARCHAR column on a large table could there be any problems?
...ng SQL Server 2008 and I need to make a VARCHAR field bigger, from (200 to 1200) on a table with about 500k rows. What I need to know is if there are any issues I have not considered.
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How do I set a ViewModel on a window in XAML using DataContext property?
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113
In addition to the solution that other people provided (which are good, and correct), there is...
Haskell function composition (.) and function application ($) idioms: correct use
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153
I guess I can answer this from authority.
Is there a reason for using the books way that i...
How to update a menu item shown in the ActionBar?
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175
Option #1: Try invalidateOptionsMenu(). I don't know if this will force an immediate redraw of...
What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
...f the array.
So for example:
int[] array = new int[5];
int boom = array[10]; // Throws the exception
As for how to avoid it... um, don't do that. Be careful with your array indexes.
One problem people sometimes run into is thinking that arrays are 1-indexed, e.g.
int[] array = new int[5];
// ...
NSLog an object's memory address in overridden description method
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214
To print address use %p format specifier and self pointer:
-(NSString *) description {
ret...
ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
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162
Note: For MySQL 5.7+ please see answer from @Lahiru to this question. That contains more curr...
How to modify a text file?
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135
Unfortunately there is no way to insert into the middle of a file without re-writing it. As pr...