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CSS background opacity with rgba not working in IE 8
I am using this CSS for background opacity of a <div> :
15 Answers
15
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SQL Server add auto increment primary key to existing table
As the title, I have an existing table which is already populated with 150000 records. I have added an Id column (which is currently null).
...
What is sandboxing?
I have read the Wikipedia article , but I am not really sure what it means, and how similar it is to version control .
5...
Load a UIView from nib in Swift
...and a class named SomeView (used the same name for
convenience and readability). I based both on a UIView.
In the XIB, I changed the "File's Owner" class to SomeView (in the identity inspector).
I created a UIView outlet in SomeView.swift, linking it to the top level view in the XIB file (named it "...
How to convert SecureString to System.String?
...ions about unsecuring your SecureString by creating a System.String out of it aside , how can it be done?
11 Answers
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How to define optional methods in Swift protocol?
Is it possible in Swift? If not then is there a workaround to do it?
19 Answers
19
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How to fix HTTP 404 on Github Pages?
Here is my GitHub repository on the gh-pages branch.
Everything looks good, I have my index.html , my CSS, JS and pictures folders.
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Schrödingers MySQL table: exists, yet it does not
...sue when the data file is missing in the data directory but the table definition file exists or vise-versa. If you're using innodb_file_per_table, check the data directory to make sure you have both an .frm file and .ibd file for the table in question. If it's MYISAM, there should be a .frm, .MYI an...
Spinlock versus Semaphore
...ossible implementation of a lock, namely one that is implemented by busy waiting ("spinning"). A semaphore is a generalization of a lock (or, the other way around, a lock is a special case of a semaphore). Usually, but not necessarily, spinlocks are only valid within one process whereas semaphores c...
Which is more efficient, a for-each loop, or an iterator?
...on to read all of the values, then there is no difference between using an iterator or the new for loop syntax, as the new syntax just uses the iterator underwater.
If however, you mean by loop the old "c-style" loop:
for(int i=0; i<list.size(); i++) {
Object o = list.get(i);
}
Then the ne...