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Is there a standard naming convention for XML elements? [closed]
...enerators (i.e. to [de]serialize xml to objects), since not many languages allow enums with spaces (demanding a mapping between the two).
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Difference between Select and ConvertAll in C#
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Select is a LINQ extension method and works on all IEnumerable<T> objects whereas ConvertAll is implemented only by List<T>. The ConvertAll method exists since .NET 2.0 whereas LINQ was introduced with 3.5.
You should favor Select over ConvertAll as it works ...
Remove non-numeric characters (except periods and commas) from a string
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You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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Hidden Features of Xcode
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It's called "option" on the Mac, not "alt". And if you want fancy symbols, it can be written ⌥⌘↑
– Brian Campbell
Mar 31 '09 at 15:33
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Java: Difference between PrintStream and PrintWriter
...es using the default platform encoding. Using the default encoding is generally a bad thing since it can lead to bugs when moving from one platform to another, especially if you are generating the file on one platform and consuming it on another.
With a Writer, you typically specify the encoding to...
How to determine when a Git branch was created?
... master`
If you’d rather see it in context using gitk, then use
gitk --all --select-commit=`git merge-base foo master`
(where foo is the name of the branch you are looking for.)
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without
...b Pages to render this.
Fork the repository to your account.
Clone it locally on your machine
Create a gh-pages branch (if one already exists, remove it and create a new one based off master).
Push the branch back to GitHub.
View the pages at http://username.github.io/repo`
In code:
git clone g...
Why do we need tuples in Python (or any immutable data type)?
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immutable objects can allow substantial optimization; this is presumably why strings are also immutable in Java, developed quite separately but about the same time as Python, and just about everything is immutable in truly-functional languages.
in...
Why is it impossible to build a compiler that can determine if a C++ function will change the value
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@mrsoltys, quantum computers are "only" exponentially faster for some problems, they can not solve undecidable problems.
– zch
Jul 1 '13 at 18:52
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SQL/mysql - Select distinct/UNIQUE but return all columns?
...m trying to accomplish the following sql statement but I want it to return all columns is this possible? Something like:
18...