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Random string generation with upper case letters and digits
I want to generate a string of size N.
31 Answers
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How to check if a URL is valid
How can I check if a string is a valid URL?
9 Answers
9
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How to create a CPU spike with a bash command
I want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop.
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Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
I have a method that accepts a block and a completion block. The first block should run in the background, while the completion block should run in whatever queue the method was called.
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PostgreSQL - fetch the row which has the Max value for a column
I'm dealing with a Postgres table (called "lives") that contains records with columns for time_stamp, usr_id, transaction_id, and lives_remaining. I need a query that will give me the most recent lives_remaining total for each usr_id
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Adaptive segue in storyboard Xcode 6. Is push deprecated?
Xcode 6 interface builder by default has new checkbox "use size classes". It makes views adaptive.
7 Answers
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Java Generics: Cannot cast List to List? [duplicate]
Just come across with this problem:
10 Answers
10
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SQL is null and = null [duplicate]
What is the difference between
4 Answers
4
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Insert line break inside placeholder attribute of a textarea?
I have tried a few approaches but none worked. Does anyone know a the nifty trick to get around this?
21 Answers
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Why is Dictionary preferred over Hashtable in C#?
In most programming languages, dictionaries are preferred over hashtables.
What are the reasons behind that?
19 Answers
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