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Vim: Replacing a line with another one yanked before
...
Move to the start of the first line.
y, $ – copy the line without the linebreak at the end
Move to the start of the target line.
V, p – replace just one target line
c, c, Ctrlr, 0, Esc
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...>>>>>>>>>>>>>>>>>>>
code segment
assume cs:code,ds:data,ss:stack
start:
mov ax,data
mov ds,ax
mov ah,9
mov dx,offset szHello
int 21h
mov ah,4ch
int 21h
code ends
end start
在...
Is it possible to apply CSS to half of a character?
...lay: block;
direction: rtl; /* very important, will make the width to start from right */
position: absolute;
z-index: 2;
top: 0;
left: 50%;
width: 50%;
content: attr(data-content); /* dynamic content for the pseudo element */
overflow: hidden;
pointer-ev...
Date vs DateTime
...d timezone nightmares if your server's timezone configs ever change... and starts writing data in ways you didn't anticipate. Datetime can save you there, date can't at all, and will become mindbendingly hard to fix if you ever start writing date down with the wrong timezone context.
...
Can I scroll a ScrollView programmatically in Android?
...lScroll(mScrollView.FOCUS_DOWN);
}
});
if You want to scroll to start
mScrollView.post(new Runnable() {
public void run() {
mScrollView.fullScroll(mScrollView.FOCUS_UP);
}
});
sh...
What is a semaphore?
... thread.
Thread thread = new Thread(new ParameterizedThreadStart(Guest));
thread.Start(i);
}
}
public static void Guest(object args)
{
// Wait to enter the nightclub (a semaphore to be released).
Console.Wri...
Automatically plot different colored lines
...a string 'rgbcmyk' and stepping through it for each separate plot, but I start having duplicates after 7 iterations. Is there an easier/more efficient way to do this, and with more color options?
...
How do I programmatically shut down an instance of ExpressJS for testing?
...
You can easily do this by writing a bash script to start the server, run the tests, and stop the server. This has the advantage of allowing you to alias to that script to run all your tests quickly and easily.
I use such scripts for my entire continuous deployment process. Y...
Thread pooling in C++11
... copied from my answer to another very similar post, hope it can help:
1) Start with maximum number of threads a system can support:
int Num_Threads = thread::hardware_concurrency();
2) For an efficient threadpool implementation, once threads are created according to Num_Threads, it's better no...
Why would I use Scala/Lift over Java/Spring? [closed]
...tion: the LiftWeb Book, the API Docs, LiftWeb's Google group, and "Getting Started". There's also a nice suite of code examples, but I wouldn't call them "documentation" per se.
The API docs are incomplete. The LiftWeb Book has been published on trees, but it's also freely available online. It i...