大约有 15,208 项符合查询结果（耗时：0.0258秒） [XML]
Can every recursion be converted into iteration?
A reddit thread brought up an apparently interesting question:
17 Answers
17
...
Determine the line of code that causes a segmentation fault?
... and display stack traces for any segfaults, as well as any invalid memory reads or writes and memory leaks. It's really quite useful.
share
|
improve this answer
|
follow
...
How to have conditional elements and keep DRY with Facebook React's JSX?
...t;/div>
</If>
You have to be careful when you use it. I suggest reading other answers for alternative (safer) approaches.
UPDATE 2: Looking back, this approach is not only dangerous but also desperately cumbersome. It's a typical example of when a developer (me) tries to transfer pattern...
Utilizing multi core for tar+gzip/bzip compression/decompression
...ust be done serially. The other cores for pigz decompression are used for reading, writing, and calculating the CRC. When compressing on the other hand, pigz gets close to a factor of n improvement with n cores.
– Mark Adler
Feb 20 '13 at 16:18
...
Can you attach Amazon EBS to multiple instances?
...od they still have to make relatively expensive web service calls for each read / write. For a shared tools dir, works great. For the kind of clustered FS usage you see in the HPC world, not a chance. To do better, you'd need a new service that provides a binary connection-oriented protocol, like...
Install NPM into home directory with distribution nodejs package (Ubuntu)
...
NPM will install local packages into your projects already, but I still like to keep the system away from my operating system's files. Here's how I suggest compartmentalizing Nodejs packages:
Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homed...
Difference between char* and const char*?
...it could result in Undefined Behavior.
String literals may be allocated in read only memory regions (implementation defined) and an user program should not modify it in anyway. Any attempt to do so results in Undefined Behavior.
So the only difference in that case (of usage with string literal...
In Clojure, when should I use a vector over a list, and the other way around?
I read that Vectors are not seqs, but Lists are. I'm not sure what the rationale is for using one over the other. It seems that vectors are used the most, but is there a reason for that?
...
When should static_cast, dynamic_cast, const_cast and reinterpret_cast be used?
...ple objects of the same type in the inheritance hierarchy (the so-called 'dreaded diamond') and you aren't using virtual inheritance. It also can only go through public inheritance - it will always fail to travel through protected or private inheritance. This is rarely an issue, however, as such for...
Best way to store password in database [closed]
...le this is not horrible, it is best to add unique salts to every password. Read this for more.
share
|
improve this answer
|
follow
|
...