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What does “Memory allocated at compile time” really mean?
...itial- ization takes place. In some
cases, additional initialization is done later.
I always suggest people to disassembly their code to see what the compiler really does with the C++ code. This applies from storage classes/duration (like this question) to advanced compiler optimizations. You co...
How to move Jenkins from one PC to another
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Got the solution to my problem mentioned in my previous comment: Goto Manage Jenkins > configure system. Here in section 'Jenkins Location', under 'Jenkins URL' field, change the URL to point it to new jenkins server.
– merlachandra
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How to implement a queue using two stacks?
...uct a queue using two stacks.
Our queue model will consist of two stacks. One stack will be used for enqueue operation (stack #1 on the left, will be called as Input Stack), another stack will be used for the dequeue operation (stack #2 on the right, will be called as Output Stack). Check out the i...
Is Zookeeper a must for Kafka?
...ke to use only a single broker, single topic and a single partition having one producer and multiple consumers (each consumer getting its own copy of data from the broker). Given this, I do not want the overhead of using Zookeeper; Can I not just use the broker only? Why is a Zookeeper must?
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UITableView : viewForHeaderInSection: not called during reloadData:
...also implement the tableView:titleForHeaderInSection:. You should only use one or the other (viewForHeader or titleForHeader).
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psycopg2: insert multiple rows with one query
I need to insert multiple rows with one query (number of rows is not constant), so I need to execute query like this one:
1...
postgresql COUNT(DISTINCT …) very slow
...nd this thread on www.postgresql.org which discusses the same thing: link. One of the replies (by Jeff Janes) says that COUNT(DISTINCT()) sorts the table to do its work instead of using hash.
– Ankur
Dec 9 '14 at 10:58
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How to insert newline in string literal?
... isn't. You really need to know that you want to use the platform-specific one. For example, it isn't a good idea if you're using a network protocol which should define line terminators itself.
– Jon Skeet
Nov 3 '10 at 9:50
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How can I process each letter of text using Javascript?
... represented as either UTF-8 or UTF-16 but not have this problem. The only ones that have the problem are the ones that require four bytes in UTF-16 rather than two bytes. ???? is a character that requires four bytes in UTF-16. Key terms to look up for more info are "astral plane", "non-BMP", and "s...
How to copy commits from one branch to another?
...y branching and merging is to be able to do everything by making commit(s) one place and merging them into wherever they're needed. Duplicate commits mean an intent never to merge those two branches (if you decide you want to later, you'll get conflicts).
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