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C# Object Pooling Pattern implementation

... the base class library (BCL). You can read the original GitHub issue here and view the code for System.Buffers. Currently the ArrayPool is the only type available and is used to pool arrays. There is a nice blog post here. namespace System.Buffers { public abstract class ArrayPool<T> ...
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Set margins in a LinearLayout programmatically

...ons in Android, they take pixels. I suggest a global utility function that converts dips to px. This is what I have done in all my apps. Android API sucks. – mxcl Jan 26 '12 at 12:00 ...
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What exactly does Perl's “bless” do?

...\%h; print $j->UNIVERSAL::can("foo")->()' 42 – converter42 Dec 26 '08 at 14:47 1 Kixx's exp...
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Testing HTML email rendering [closed]

... If you are converting your HTML pages to Email. You should check Premailer, It converts CSS to inline CSS and also tests the compatibility with major email clients. ...
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe

...e if there are no nulls in the DB, but will fail once nulls are inserted. And you can always return the primitive type from the getter. Ex: private Integer num; public void setNum(Integer i) { this.num = i; } public int getNum() { return this.num; } But in most cases you will...
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Selecting/excluding sets of columns in pandas [duplicate]

... You don't really need to convert that into a set: cols = [col for col in df.columns if col not in ['B', 'D']] df2 = df[cols] share | improve this ...
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How do I iterate over a JSON structure? [duplicate]

...ject. That is why this works. However if anybody have a JSON object he can convert it to a JS object and then use your method. To convert a JSON object to JS object use jsObject = JSON.parse(jsonObject); – prageeth Oct 31 '14 at 4:48 ...
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What is the difference between UTF-8 and Unicode?

...his topic: A chinese character: 汉 it's unicode value: U+6C49 convert 6C49 to binary: 01101100 01001001 Nothing magical so far, it's very simple. Now, let's say we decide to store this character on our hard drive. To do that, we need to store the character in binary format. We can s...
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Equivalent C++ to Python generator pattern

...::cin is similar to having a generator of char. You simply need to understand what a generator does: there is a blob of data: the local variables define a state there is an init method there is a "next" method there is a way to signal termination In your trivial example, it's easy enough. Conce...
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Interview questions: WPF Developer [closed]

... I'd put binding and converters at entry level, since that is how you spend a lot of time in WPF. share | improve this answer | ...