大约有 47,000 项符合查询结果（耗时：0.0583秒） [XML]
Way to read first few lines for pandas dataframe
...es a long time to read, and occasionally only want to use the first, say, 20 lines to get a sample of it (and prefer not to load the full thing and take the head of it).
...
inserting characters at the start and end of a string
...
answered Apr 8 '12 at 0:47
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
...
Is it possible to figure out the parameter type and return type of a lambda?
..._traits implementation based on Specializing a template on a lambda in C++0x which can give the parameter types. The trick, as described in the answer in that question, is to use the decltype of the lambda's operator().
template <typename T>
struct function_traits
: public function_trai...
Sample settings.xml for maven
...
190
Here's the stock "settings.xml" with comments (complete/unchopped file at the bottom)
License:
&...
Turn off constraints temporarily (MS SQL)
...
You can disable FK and CHECK constraints only in SQL 2005+. See ALTER TABLE
ALTER TABLE foo NOCHECK CONSTRAINT ALL
or
ALTER TABLE foo NOCHECK CONSTRAINT CK_foo_column
Primary keys and unique constraints can not be disabled, but this should be OK if I've understood you corr...
How to stop Eclipse formatter from placing all enums on one line
... RUNNING,
WAITING,
FINISHED
}
enum Example {
GREEN(
0,
255,
0),
RED(
255,
0,
0)
}
Solution described above:
enum Example {
CANCELLED,
RUNNING,
WAITING,
FINISHED
}
enum Example {
GREEN(0, 255, 0),
RED(255, ...
sbt-assembly: deduplication found error
...
answered Aug 20 '16 at 20:38
Elesin Olalekan FuadElesin Olalekan Fuad
2,61711 gold badge1111 silver badges88 bronze badges
...
Inline elements shifting when made bold on hover
...
401
li {
display: inline-block;
font-size: 0;
}
li a {
display:inline-block;
...
How to add calendar events in Android?
...
10 Answers
10
Active
...
How do you run a command for each line of a file?
...txt
If you have special chars and/or a lot of lines in file.txt.
xargs -0 chmod 755 < <(tr \\n \\0 <file.txt)
if your command need to be run exactly 1 time by entry:
xargs -0 -n 1 chmod 755 < <(tr \\n \\0 <file.txt)
This is not needed for this sample, as chmod accept multip...