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How to update the value stored in Dictionary in C#?
... to update value for a specific key in a dictionary Dictionary<string, int> ?
7 Answers
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Interview questions: WPF Developer [closed]
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I'd put binding and converters at entry level, since that is how you spend a lot of time in WPF.
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What is a “callback” in C and how are they implemented?
...y other generic programming concept.
They're implemented using function pointers. Here's an example:
void populate_array(int *array, size_t arraySize, int (*getNextValue)(void))
{
for (size_t i=0; i<arraySize; i++)
array[i] = getNextValue();
}
int getNextRandomValue(void)
{
ret...
Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe
...s SO thread, the solution is to use the non-primitive wrapper types; e.g., Integer instead of int.
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What does denote in C# [duplicate]
I'm new to C# and directly diving into modifying some code for a project I received. However, I keep seeing code like this :
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Difference between break and continue statement
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System.out.println ("starting loop:");
for (int n = 0; n < 7; ++n)
{
System.out.println ("in loop: " + n);
if (n == 2) {
continue;
}
System.out.println (" survived first guard");
if (n == 4) {
brea...
How do I remove  from the beginning of a file?
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Open your file in Notepad++. From the Encoding menu, select Convert to UTF-8 without BOM, save the file, replace the old file with this new file. And it will work, damn sure.
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A semantics for Bash scripts?
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A shell is an interface for the operating system. It is usually a more-or-less robust programming language in its own right, but with features designed to make it easy to interact specifically with the operating system and filesystem. The POSIX shell's (hereafter ref...
How can I check whether an array is null / empty?
I have an int array which has no elements and I'm trying to check whether it's empty.
13 Answers
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How can I check if a string is null or empty in PowerShell?
... null strings passed to a commandlet or function don't stay null. They get converted to empty strings. See the Microsoft Connect bug at connect.microsoft.com/PowerShell/feedback/details/861093/….
– JamieSee
Dec 11 '14 at 17:59
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