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C# Lambda expressions: Why should I use them?
I have quickly read over the Microsoft Lambda Expression documentation.
15 Answers
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What is the difference between C++ and Visual C++? [duplicate]
...979 at Bell Labs as an enhancement to the C programming language and originally named "C with Classes". It was renamed to C++ in 1983.
C++ is widely used in the software industry. Some of its application domains include systems software, application software, device drivers, embedded software, high...
Node.js Mongoose.js string to ObjectId function
...n it is saved from a string, mongo tells me it is still just a string. The _id of the object, for instance, is displayed as objectId("blah") .
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How to pass JVM options from bootRun
...lication that communicates with remote host and I would like to test it locally behind corporate proxy.
I use "Spring Boot" gradle plugin and the question is how can I specify proxy settings for JVM?
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Java 8: How do I work with exception throwing methods in streams?
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You need to wrap your method call into another one, where you do not throw checked exceptions. You can still throw anything that is a subclass of RuntimeException.
A normal wrapping idiom is something like:
private void safeFoo(final A a) {
try {
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Using Java to find substring of a bigger string using Regular Expression
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You should be able to use non-greedy quantifiers, specifically *?. You're going to probably want the following:
Pattern MY_PATTERN = Pattern.compile("\\[(.*?)\\]");
This will give you a pattern that will match your string and put the text within the square brackets in the first ...
How to implement a queue using two stacks?
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Keep 2 stacks, let's call them inbox and outbox.
Enqueue:
Push the new element onto inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Usin...
Linq order by boolean
...s - which LINQ provider are you actually using?
Here's a LINQ to Objects example which does work:
using System;
using System.Linq;
public static class Test
{
public static void Main()
{
var data = new[]
{
new { x = false, y = "hello" },
new { x = tr...
Batch file to copy files from one folder to another folder
I have a storage folder on a network in which all users will store their active data on a server. Now that server is going to be replaced by a new one due to place problem so I need to copy sub folders files from the old server storage folder to new server storage folder. I have below ex:
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How to get “wc -l” to print just the number of lines without file name?
...is the most concise, and awk and perl seem a bit overkill, but they should all be relatively fast and portable enough.
Also note that some of these can be adapted to trim surrounding whitespace from general strings, as well (along with echo `echo $FOO`, another neat trick).
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