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Core pool size vs maximum pool size in ThreadPoolExecutor
...ool size and maximum pool size when we talk in terms of ThreadPoolExecutor ?
Can it be explained with the help of an example?
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How to import CSV file data into a PostgreSQL table?
How can I write a stored procedure that imports data from a CSV file and populates the table?
18 Answers
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Are PDO prepared statements sufficient to prevent SQL injection?
...jection attacks. For certain obscure edge-cases.
I'm adapting this answer to talk about PDO...
The long answer isn't so easy. It's based off an attack demonstrated here.
The Attack
So, let's start off by showing the attack...
$pdo->query('SET NAMES gbk');
$var = "\xbf\x27 OR 1=1 /*";
$query ...
Adding a UILabel to a UIToolbar
I'm trying to add a label to my toolbar. Button works great, however when I add the label object, it crashes. Any ideas?
8 ...
What is Normalisation (or Normalization)?
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Normalization is basically to design a database schema such that duplicate and redundant data is avoided. If some piece of data is duplicated several places in the database, there is the risk that it is updated in one place but not the other, leading t...
“Unknown class in Interface Builder file” error at runtime
... Interface Builder file." error printed at runtime, this issue has nothing to do with Interface Builder, but rather with the linker, which is not linking a class because no code uses it directly.
When the .nib data (compiled from the .xib) is loaded at runtime, MyClass is referenced using a string,...
How can I make the tabs work normally on Xcode 4?
... very strange. For example they will keep a tab open only if it was opened to a new tab.
12 Answers
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Negative weights using Dijkstra's Algorithm
I am trying to understand why Dijkstra's algorithm will not work with negative weights. Reading an example on Shortest Paths , I am trying to figure out the following scenario:
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Should a .sln be committed to source control?
Is it a best practice to commit a .sln file to source control? When is it appropriate or inappropriate to do so?
15 Answers...
How many parameters are too many? [closed]
...rs, that's no news. You can define as many parameters as you may need, but too many of them will make your routine difficult to understand and maintain.
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