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Regular expression to extract text between square brackets
...the following regex globally:
\[(.*?)\]
Explanation:
\[ : [ is a meta char and needs to be escaped if you want to match it literally.
(.*?) : match everything in a non-greedy way and capture it.
\] : ] is a meta char and needs to be escaped if you want to match it literally.
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How do you change the server header returned by nginx?
...
## vi src/http/ngx_http_header_filter_module.c (lines 48 and 49)
static char ngx_http_server_string[] = "Server: MyDomain.com" CRLF;
static char ngx_http_server_full_string[] = "Server: MyDomain.com" CRLF;
March 2011 edit: Props to Flavius below for pointing out a new option, replacing Nginx's ...
Getting request payload from POST request in Java servlet
...ader = new BufferedReader(new InputStreamReader(inputStream));
char[] charBuffer = new char[128];
int bytesRead = -1;
while ((bytesRead = bufferedReader.read(charBuffer)) > 0) {
stringBuilder.append(charBuffer, 0, bytesRead);
}
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How does the Brainfuck Hello World actually work?
...e same way.
For the space and capital letters, different array cells are selected
and incremented or decremented as needed.
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Throwing exceptions from constructors
...attached has an outdated hyperlink. To fix it wants to change exactly one character, replacing "#faq-17.2" with "#faq-17.8" in the URL. However, Stackoverflow's software requires that an edit submitted by a low-reputation user like me change at least six characters. Pretty obviously, the broken l...
How to find nth occurrence of character in a string?
...
Two simple options occur:
Use charAt() repeatedly
Use indexOf() repeatedly
For example:
public static int nthIndexOf(String text, char needle, int n)
{
for (int i = 0; i < text.length(); i++)
{
if (text.charAt(i) == needle)
{...
How do I escape spaces in path for scp copy in Linux?
..., considering how many spaces it can handle with the same amount of escape characters. Thanks!
– Michael
Feb 28 '18 at 20:47
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Using awk to print all columns from the nth to the last
... You can also use "-b" to specify the position (from the Nth character onwards).
– Dakatine
Sep 10 '13 at 13:56
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Should I inherit from std::exception?
...a C-String or a std::string to the constructor that will be returned (as a char const*) when what() is called.
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How to force NSLocalizedString to use a specific language
...ib languages, you have to reload the xibs by hand, from the bundle of your selected language.
– gklka
Jan 23 '14 at 21:57
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