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Replacing a char at a given index in string? [duplicate]
...ew string(chars);
}
This is now an extension method so you can use:
var foo = "hello".ReplaceAt(2, 'x');
Console.WriteLine(foo); // hexlo
It would be nice to think of some way that only required a single copy of the data to be made rather than the two here, but I'm not sure of any way of doing ...
linq query to return distinct field values from a list of objects
...
Sure, use Enumerable.Distinct.
Given a collection of obj (e.g. foo), you'd do something like this:
var distinctTypeIDs = foo.Select(x => x.typeID).Distinct();
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Linux bpftrace学习笔记（持续更新） - 操作系统(内核) - 清泛网移动版 - ...
Linux bpftrace学习笔记（持续更新）Linux-bpftrace-notes图：BPF性能工具及其可见性bpftrace安装请参考：bpftrace-install。1、查看程序在打开哪些文件： bpftrace -e & 39;tracepoint:syscalls:sys_enter_open { printf("%s %s n
图：BPF性能工具及其可见性
...
How to duplicate a whole line in Vim?
...of :t.
This can be really powerful if you combine it with :g or :v:
:v/foo/m$ will move all lines not matching the pattern “foo” to the end of the file.
:+,$g/^\s*class\s\+\i\+/t. will copy all subsequent lines of the form class xxx right after the cursor.
Reference: :help range, :help :t,...
Using Git how do I find changes between local and remote
... isn't configured with an upstream. To fix, run git branch --set-upstream foo origin/foo.
– Richard Hansen
Oct 1 '11 at 18:18
...
How to get innerHTML of DOMNode?
...php
$doc = new \DOMDocument();
$doc->loadHTML("<body><div id='foo'><p>This is <b>an <i>example</i></b> paragraph<br>\n\ncontaining newlines.</p><p>This is another paragraph.</p></div></body>");
print innerHTML($doc-&g...
What is the apply function in Scala?
...will be able to use this object as a function, as well as an object
object Foo {
var y = 5
def apply (x: Int) = x + y
}
Foo (1) // using Foo object in function notation
There are many usage cases when we would want to treat an object as a function. The most common scenario is a factory patt...
Variable name as a string in Javascript
...and be able to retrieve both.
var obj = { myFirstName: 'John' };
obj.foo = 'Another name';
for(key in obj)
console.log(key + ': ' + obj[key]);
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Convert generator object to list for debugging [duplicate]
...using IPython, I sometimes hit a break-point and I want to examine a variable that is currently a generator. The simplest way I can think of doing this is converting it to a list, but I'm not clear on what's an easy way of doing this in one line in ipdb , since I'm so new to Python.
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How do you create a Distinct query in HQL
...anged to protect identities)
String queryString = "select distinct f from Foo f inner join foo.bars as b" +
" where f.creationDate >= ? and f.creationDate < ? and b.bar = ?";
return getHibernateTemplate().find(queryString, new Object[] {startDate, endDate, bar});
...