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How to read a line from the console in C?
..., len = lenmax;
int c;
if(line == NULL)
return NULL;
for(;;) {
c = fgetc(stdin);
if(c == EOF)
break;
if(--len == 0) {
len = lenmax;
char * linen = realloc(linep, lenmax *= 2);
if(linen == NULL) {
...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...不同的CPU其汇编语言的指令语法亦不相同。个人电脑由1981年推出至今，其CPU发展过程为：8086→80286→80386→80486→PENTIUM →……，还有AMD、CYRIX等旁支。后面兼容前面CPU的功能，只不过多了些指令（如多能奔腾的MMX指令...
Is there a label/goto in Python?
... some of the things you could do with a goto using first class functions. For example:
void somefunc(int a)
{
if (a == 1)
goto label1;
if (a == 2)
goto label2;
label1:
...
label2:
...
}
Could be done in python like this:
def func1():
...
def...
How do I set the proxy to be used by the JVM
...est of the documentation is overlooked. It contains a lot of interesting information: http://download.oracle.com/javase/6/docs/technotes/guides/
Update : If you do not want to use proxy to resolve some local/intranet hosts, check out the comment from @Tomalak:
Also don't forget the http.nonPr...
RegEx: Grabbing values between quotation marks
...success:
(["'])(?:(?=(\\?))\2.)*?\1
It supports nested quotes as well.
For those who want a deeper explanation of how this works, here's an explanation from user ephemient:
([""']) match a quote; ((?=(\\?))\2.) if backslash exists, gobble it, and whether or not that happens, match a characte...
Parse usable Street Address, City, State, Zip from a string [closed]
...ess into their appropriate fields in a normalized table. I need to do this for approximately 4,000 records and it needs to be repeatable.
...
R command for setting working directory to source file location in Rstudio
...is does not work in RStudio if you Run the code rather than Sourceing it. For that, you need to use rstudioapi::getActiveDocumentContext.
setwd(dirname(rstudioapi::getActiveDocumentContext()$path))
This second solution requires that you are using RStudio as your IDE, of course.
...
How to set the font size in Emacs?
...ace-inverse-video-p set-face-underline set-face-background-pixmap set-face-foreground set-face-stipple set-face-underline-p.
– Tom Brito
Jan 24 '13 at 12:38
...
What is the default access specifier in Java?
...me package to which the class belongs.
As mdma pointed out, it isn't true for interface members though, for which the default is "public".
See Java's Access Specifiers
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base64 encoded images in email signatures
...
My answer below shows how to embed images using data URIs. This is useful for the web, but will not work reliably for most email clients. For email purposes be sure to read Shadow2531's answer.
Base-64 data is legal in an img tag and I believe your question is how to properly insert such an imag...