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How to avoid “too many parameters” problem in API design?
...o understand.
public class Param
{
public string A { get; private set; }
public string B { get; private set; }
public string C { get; private set; }
public class Builder
{
private string a;
private string b;
private string c;
public Bui...
How to install an APK file on an Android phone?
...;-)
You need to enable USB debugging on the phone itself (by starting the Settings application and selecting Applications > Development > USB Debugging), install the Android USB device driver if you haven’t already (Windows only), and then plug the phone into your computer using the USB cab...
How to format a floating number to fixed width in Python
How do I format a floating number to a fixed width with the following requirements:
7 Answers
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Fast way of finding lines in one file that are not in another?
I have two large files (sets of filenames). Roughly 30.000 lines in each file. I am trying to find a fast way of finding lines in file1 that are not present in file2.
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What is float in Java?
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Compare two files line by line and generate the difference in another file
I want to compare file1 with file2 and generate a file3 which contains the lines in file1 which are not present in file2.
1...
How do you implement a good profanity filter?
Many of us need to deal with user input, search queries, and situations where the input text can potentially contain profanity or undesirable language. Oftentimes this needs to be filtered out.
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Reference: Comparing PHP's print and echo
...rm "language construct" in PHP usually refers to "pseudo" functions like isset or empty. Although these "constructs" look exactly like functions, they are actually fexprs, that is, the arguments are passed to them without being evaluated, which requires special treatment from the compiler. print hap...
How to search and replace text in a file?
...einput does (basically, use try..finally or a contextmanager to ensure you set stdout back to it's original value afterwards). The source code for fileinput is pretty eye-bleedingly awful, and it does some really unsafe things under the hood. If it were written today I very much doubt it would have ...
Strange out of memory issue while loading an image to a Bitmap object
...that let you specify decoding options via the BitmapFactory.Options class. Setting the inJustDecodeBounds property to true while decoding avoids memory allocation, returning null for the bitmap object but setting outWidth, outHeight and outMimeType. This technique allows you to read the dimensions a...