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Where does 'Hello world' come from?
...f("hello, world");
}
The first known instance of the usage
of the words "hello" and "world"
together in computer literature
occurred earlier, in Kernighan's 1972
Tutorial Introduction to the Language
B[1], with the following code:
main( ) {
extrn a, b, c;
putchar(a); putchar(b)...
Read a variable in bash with a default value
...ntion
What does the :-Richard part do? From the bash manual:
${parameter:-word}
If parameter is unset or null, the expansion of word is substituted. Otherwise, the value of parameter is substituted.
Also worth noting that...
In each of the cases below, word is subject to tilde expansion, paramete...
What's wrong with cplusplus.com?
...
@Steve: You said "Similar" is debateable. If the word similar is debatable, then it very much tells that this word isn't the correct word and should be avoided when explaining the behavior of std::remove and list::remove, because an explanation should be clear as much as po...
Find and replace strings in vim on multiple lines
...nd : between the range and the find/replace command does no harm, in other words, these commands will still work:
:'<,'>:s/<search_string>/<replace_string>/g
:.:s/<search_string>/<replace_string>/g
...
Redirect all output to file [duplicate]
... two formats for redirecting standard output and standard error: &>word and >&word Of the two forms, the first is preferred. This is semantically equivalent to >word 2>&1"
– shelleybutterfly
Jul 13 '11 at 5:36
...
Why is a pure virtual function initialized by 0?
... =0 is used is that Bjarne Stroustrup didn't think he could get another keyword, such as "pure" past the C++ community at the time the feature was being implemented. This is described in his book, The Design & Evolution of C++, section 13.2.3:
The curious =0 syntax was chosen ...
because a...
Dynamic cell width of UICollectionView depending on label width
...t I still have one issue. When I uncomment [cell.myLabel sizeToFit] I have words truncated and letters cut at the bottom but it becomes ok after I scroll (words have they normal size and letters jump up a bit). If I comment and disable [cell.myLabel sizeToFit] message (I decided to play around with ...
Windbg Step 2 分析程序堆栈实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...示是一个包含宽字符字符串的数组
9. dd（display by double-word）
下一步就是继续查看argv数组里面的内容，根据前面的dv打印的结果，我们知道argc（也就是说明argv数组元素个数的参数）的值是2。在一台32位机（或者是在64位机器上...
What is a message pump?
...t a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on a desktop, with a monitor, k...
nodeValue vs innerHTML and textContent. How to choose?
...tent = 'My New Title!'
paragraph.textContent = 'My second <em>six word</em> story.'
}, 2000)
em { font-style: italic; }
<h1 id="heading">My Title</h1>
<p id="paragraph">My six word story right here.</p>
So, textContent just changes the text, but it d...