大约有 8,000 项符合查询结果（耗时：0.0183秒） [XML]
How can I set the request header for curl?
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Sometimes changing the header is not enough, some sites check the referer as well:
curl -v \
-H 'Host: restapi.some-site.com' \
-H 'Connection: keep-alive' \
-H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8' \
-H 'Accept-Langua...
Test for equality among all elements of a single vector
...ing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.equal(x[1], x[2], tolerance = tol))
}
If you were using this more seriously, you'd probably want to...
MySQL Query to select data from last week?
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123
SELECT id FROM tbl
WHERE date >= curdate() - INTERVAL DAYOFWEEK(curdate())+6 DAY
AND date &...
How do I remove the “extended attributes” on a file in Mac OS X?
...9.6:
Would remove:
/usr/local/bin/xattr
/usr/local/lib/python3.7/site-packages/xattr-0.9.6.dist-info/*
/usr/local/lib/python3.7/site-packages/xattr/*
Proceed (y/n)?
Workarounds
To Fix option -c not recognized Errors.
Uninstall any Python xattr you may have: pip3 uninstall xatt...
How do I declare class-level properties in Objective-C?
...c variable? E.g. only one instance for all types of Foo?
To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDictionary *)dictionary {
static NSDict...
How can I see the request headers made by curl when sending a request to the server?
...l -v -D - stackoverflow.com -o /dev/null (in order to do not display whole site's content, just headers)
– omnomnom
May 26 '11 at 8:46
21
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Highlight all occurrence of a selected word?
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is there a way to use this functionality but with the highlighted one or more words?
– Sung Cho
Aug 6 '18 at 1:27
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Convert MySql DateTime stamp into JavaScript's Date format
...:MM:SS and either parse it or convert it to work in JavaScript's Date() function, for example:- Date('YYYY, MM, DD, HH, MM, SS);
...
What is the behavior of integer division?
... out with negative numbers when you are stuck with a C89 compiler.
It's a fun fact that C99 chose truncation towards zero because that was how FORTRAN did it. See this message on comp.std.c.
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Remove a fixed prefix/suffix from a string in Bash
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Fun note: sed can take almost anything as a delimiter. In my case, since I was parsing prefix-directories out of paths, I couldn't use /, so I used sed "s#^$prefix##, instead. (Fragility: filenames can't contain #. Since I...