大约有 18,000 项符合查询结果（耗时：0.0323秒） [XML]
Why are these numbers not equal?
...presented exactly in binary?
Is floating point math broken?
Canonical duplim>cat m>e for "floating point is inaccurate" (a meta discussion about a canonical answer for this issue)
Comparing scalars
The standard solution to this in R is not to use ==, but rather the all.equal function. Or rather, sinc...
How to extract one column of a csv file
...
yes. m>cat m> mycsv.csv | cut -d ',' -f3 will print 3rd column.
share
|
improve this answer
|
follow
...
How to unpack and pack pkg file?
...dit the installable files:
mkdir Foo
cd Foo
xar -xf ../Foo.pkg
cd foo.pkg
m>cat m> Payload | gunzip -dc |cpio -i
# edit Foo.app/*
rm Payload
find ./Foo.app | cpio -o | gzip -c > Payload
mkbom Foo.app Bom # or edit Bom
# edit PackageInfo
rm -rf Foo.app
cd ..
xar -cf ../Foo-new.pkg
I believe you can ...
Interface vs Base class
...
Let's take your example of a Dog and a m>Cat m> class, and let's illustrate using C#:
Both a dog and a m>cat m> are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abs...
Is there a method for String conversion to Title Case?
... Just a small update, WordUtils is gone to Commons Text and is deprem>cat m>ed inside Commons Lang
– msrd0
Oct 16 '17 at 21:45
...
Shell one liner to prepend to a file
... Works for me on 600K files with awk. However trying the same trick using 'm>cat m>' fails.
Passing the prependage as a variable to awk (-v TEXT="$text") overcomes the literal quotes problem which prevents doing this trick with 'sed'.
#!/bin/bash
text="Hello world
What's up?"
exec 3<> yourfile &...
How can I stop redis-server?
...i shutdown. (you can send any command like this, for example redis-cli set m>cat m> dog; redis-cli get m>cat m>)
– JesseBuesking
Apr 30 '13 at 16:33
6
...
Changing the selected option of an HTML Select element
...;
break;
}
}
}
<select id="sel">
<option>m>Cat m></option>
<option>Dog</option>
<option>Fish</option>
</select>
<button id="btn">Select Fish</button>
jQuery
But if you really want to use jQuery:
var val...
How to find out how many lines of code there are in an Xcode project?
....pl file using 'chmod u+x cloc-1.56.pl' command. If your source code is lom>cat m>ed in directory 'project_code' You just need to run following command.
– JZ.
Sep 26 '14 at 3:41
a...
How to round an average to 2 decimal places in PostgreSQL?
...s not define round(double precision, integer). For reasons @Mike Sherrill 'm>Cat m> Recall' explains in the comments, the version of round that takes a precision is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not ...