大约有 43,000 项符合查询结果（耗时：0.0436秒） [XML]
Programmer-friendly search engine? [closed]
...
Cannot help you, but can at least provide you with a vision (maybe same startup will go an realize it).
Assieme is the research prototype of a dedicated search engines for software documentation. The idea is that searching software documentation is a s...
How do I check if a variable exists?
...ardo, perhaps, rather than assuming it's condescension, you may want to at least consider the possibility that it's just good advice from someone who may be more knowledgeable :-) Or would you consider it equally patronising if I advised against unconstrained use of global variables, spaghetti code,...
How to find the Number of CPU Cores via .NET/C#?
...
It's rather interesting to see how .NET get this internally to say the least... It's as "simple" as below:
namespace System.Threading
{
using System;
using System.Runtime.CompilerServices;
internal static class PlatformHelper
{
private const int PROCESSOR_COUNT_REFRESH_...
check if jquery has been loaded, then load it if false
...tsByTagName('script')[0] ).appendChild( script ); Since there will be at least an instance of script tag.
– tormuto
Jul 17 '15 at 8:16
add a comment
|
...
Upgrade Node.js to the latest version on Mac OS
...://nodejs.org and download and run the installer.
It works now - for me at least.
share
|
improve this answer
|
follow
|
...
How to test if string exists in file with Bash?
...q 0 ]; then
#string not contained in file
else
#string is in file at least once
fi
grep -c will return the count of how many times the string occurs in the file.
share
|
improve this answer
...
Determine the number of lines within a text file
... entire contents of the file into an array which means it must allocate at least as much memory as the size of the file. The second merely loops one line at a time so it never has to allocate more than one line's worth of memory at a time. This isn't that important for small files, but for larger fi...
g++ undefined reference to typeinfo
...ble, so classes that you wish to perform type identification on require at least one virtual function.
If you want type information to work on a class for which you don't really want any virtual functions, make the destructor virtual.
...
Extract substring in Bash
...egative offset must be separated
from the colon by at least one space to avoid being confused
with the :- expansion. Substring indexing is zero-based unless
the positional parameters are used, in which case the indexing
starts at 1 b...
Mapping a function on the values of a map in Clojure
... That does seem to be the case, but is it documented anywhere? At least the docstrings for keys and vals fail to mention this. I would be more comfortable using this if I could point to some official documentation that promises it's going to work.
– Jouni K. Seppänen
...