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How do I convert a String to an int in Java?
...lar expresssion pattern of "([0-9]+)" will "capture" the first sequence of one or more digits one through nine. Look at the Matcher class in that package.
– Mark Stewart
Jun 8 '18 at 16:16
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Why isn't String.Empty a constant?
... is String.Empty read only instead of a constant? I'm just wondering if anyone knows what the reasoning was behind that decision.
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What is memory fragmentation?
...rd to choose an "answer" - lots of great answers here and I'd encourage anyone interested to read all of them. Still, I think you covered all the important points here.
– AshleysBrain
Sep 22 '10 at 16:54
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Unescape HTML entities in Javascript?
... accepted answer, consider the following:
htmlDecode("<img src='dummy' onerror='alert(/xss/)'>");
The string here contains an unescaped HTML tag, so instead of decoding anything the htmlDecode function will actually run JavaScript code specified inside the string.
This can be avoided by us...
Difference between List, List, List, List, and List
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1) Correct
2) You can think of that one as "read only" list, where you don't care about the type of the items.Could e.g. be used by a method that is returning the length of the list.
3) T, E and U are the same, but people tend to use e.g. T for type, E for El...
Ship an application with a database
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There are two options for creating and updating databases.
One is to create a database externally, then place it in the assets folder of the project and then copy the entire database from there. This is much quicker if the database has a lot of tables and other components. Upgrades...
What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
What are the different cases when we use these three? Where should I use one and where should I not?
9 Answers
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Getting “type or namespace name could not be found” but everything seems ok?
... now. I recently moved the solution to VS2012 from VS2010, and had created one new class library in VS2012. All of a sudden I was getting this error, and of course it was because the new class library targeted .NET 4.5 while the project referencing it targeted .NET 4.0. Downgrading the new library t...
What breaking changes are introduced in C++11?
I know that at least one of the changes in C++11 that will cause some old code to stop compiling: the introduction of explicit operator bool() in the standard library, replacing old instances of operator void*() . Granted, the code that this will break is probably code that should not have been v...
How to make zsh run as a login shell on Mac OS X (in iTerm)?
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This works for the default zsh not for the one installed by brew.
– Imam Bux
Dec 15 '18 at 10:21
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