大约有 47,000 项符合查询结果（耗时：0.0479秒） [XML]
When is CRC more appropriate to use than MD5/SHA1?
...
CRC works fine for detecting random errors in data that might occur, for example, from network interference, line noise, distortion, etc.
CRC is computationally much less complex than MD5 or SHA1. Using a hash function like MD5 is probably overkill for r...
How to use base class's constructors and assignment operator in C++?
I have a class B with a set of constructors and an assignment operator.
5 Answers
5
...
Getting root permissions on a file inside of vi? [closed]
Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type
10 Answers...
How do I delete an item or object from an array using ng-click?
...
To remove item you need to remove it from array and can pass bday item to your remove function in markup. Then in controller look up the index of item and remove from array
<a class="btn" ng-click="remove(item)">Delete</a>
Then in controller:
$scope.remove ...
Retargeting solution from .Net 4.0 to 4.5 - how to retarget the NuGet packages?
...grated a solution that is currently targeting .NET 4.0 in VS2010 to VS2012 and now I would like to re-target it to .Net 4.5
...
Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
...msize of the process that failed to fork, at the time of the fork attempt, and then compare to the amount of free memory (physical and swap) as it relates to the overcommit policy (plug the numbers in.)
In your particular case, note that Virtuozzo has additional checks in overcommit enforcement. M...
How to update a plot in matplotlib?
...ure here. I allow the user to specify the units in the time scale (x-axis) and then I recalculate and call this function plots() . I want the plot to simply update, not append another plot to the figure.
...
Copy and paste content from one file to another file in vi
I am working with two files, and I need to copy a few lines from one file and paste into another file. I know how to copy (yy) and paste (p) in the same file. But that doesn't work for different files. How is this done?
...
Find all packages installed with easy_install/pip?
...
pip freeze will output a list of installed packages and their versions. It also allows you to write those packages to a file that can later be used to set up a new environment.
https://pip.pypa.io/en/stable/reference/pip_freeze/#pip-freeze
...
What is the difference between active and passive FTP?
Can someone tell me what is the difference between active and passive FTP?
Which one is preferable?
5 Answers
...