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How do you tell someone they're writing bad code? [closed]
I've been working with a small group of people on a coding project for fun. It's an organized and fairly cohesive group. The people I work with all have various skill sets related to programming, but some of them use older or outright wrong methods, such as excessive global variables, poor naming ...
How to handle click event in Button Column in Datagridview?
...f
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Update 1 - Custom Event
If you wanted to have a little bit of fun, you can add your own event to be raised whenever a button is clicked on the DataGrid. You can't add it to the DataGrid itself, without getting messy with inheritance etc., but you can add a custom event to your form and...
How do I count the number of occurrences of a char in a String?
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123
Easiest way. Clever one. And it works on Android, where there is no StringUtils class
– Jose_GD
Nov...
Why do we need Abstract factory design pattern?
...t doesn't know the implementation details?
– kiwicomb123
Oct 26 '18 at 10:33
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Decimal separator comma (',') with numberDecimal inputType in EditText
...se an EditText with android:inputType="numberDecimal" and android:digits="0123456789.,".
Then add a TextChangedListener to the EditText with the following afterTextChanged:
public void afterTextChanged(Editable s) {
double doubleValue = 0;
if (s != null) {
try {
double...
How do I initialize an empty array in C#?
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123
In .NET 4.6 the preferred way is to use a new method, Array.Empty:
String[] a = Array.Empty&l...
How to convert a byte array to a hex string in Java?
...is the function I currently use:
private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
public static String bytesToHex(byte[] bytes) {
char[] hexChars = new char[bytes.length * 2];
for (int j = 0; j < bytes.length; j++) {
int v = bytes[j] & 0xFF;
he...
How can I replace every occurrence of a String in a file with PowerShell?
...d of Out-File yuou get a warning like "The process cannot access the file '123.csv' because it is being used by another process.".
– Iain Samuel McLean Elder
Sep 17 '13 at 14:36
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
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It is a quirk of the syntax for passing arrays to functions.
Actually it is not possible to pass an array in C. If you write syntax that looks like it should pass the array, what actually happens is that a pointer to the first element of the array is passed instead.
Since ...
Multiple “order by” in LINQ
...correct orderings if CategoryID is an int. For example, something with id=123, name=5times will appear after id=1234, name=something instead of before. It's also not inefficient to do string comparisons where int comparisons could occur.
– AaronLS
May 6 '13 a...