大约有 40,000 项符合查询结果（耗时：0.0599秒） [XML]
Should I git ignore xcodeproject/project.pbxproj file?
...
Update in the light of Swift Package Manager: If you're building a project as a Swift package - you should definitely ignore this file as it can be generated using file system as source of truth. You can do that by using the following command:
$ cd ~/Proje...
Combining C++ and C - how does #ifdef __cplusplus work?
I'm working on a project that has a lot of legacy C code. We've started writing in C++, with the intent to eventually convert the legacy code, as well. I'm a little confused about how the C and C++ interact. I understand that by wrapping the C code with extern "C" the C++ compiler will no...
Generate random password string with requirements in javascript
...e password. Worse, it reduces the number of possible passwords, so that hacking by bruteforcing becomes easier.
To generate a random word consisting of alphanumeric characters, use:
var randomstring = Math.random().toString(36).slice(-8);
How does it work?
Math.random() /...
How can I check if a method is static using reflection?
...om a security standpoint. Class.getMethods "bypass[es] SecurityManager checks depending on the immediate caller's class loader" (see section 6 of the Java secure coding guidelines).
Disclaimer: Not tested or even compiled.
Note Modifier should be used with care. Flags represented as ints are not t...
How can I multiply all items in a list together with Python?
I need to write a function that takes
a list of numbers and multiplies them together. Example:
[1,2,3,4,5,6] will give me 1*2*3*4*5*6 . I could really use your help.
...
Sorting Python list based on the length of the string
...ual to y, and 1 if x is greater than y.
Of course, you can instead use the key parameter:
xs.sort(key=lambda s: len(s))
This tells the sort method to order based on whatever the key function returns.
EDIT: Thanks to balpha and Ruslan below for pointing out that you can just pass len directly as the...
How can I profile C++ code running on Linux?
...o find performance problems.
Just halt it several times, and each time look at the call stack. If there is some code that is wasting some percentage of the time, 20% or 50% or whatever, that is the probability that you will catch it in the act on each sample. So, that is roughly the percentage of s...
Name node is in safe mode. Not able to leave
...uld be executed:
bin/hadoop dfsadmin -safemode leave
You are getting Unknown command error for your command as -safemode isn't a sub-command for hadoop fs, but it is of hadoop dfsadmin.
Also after the above command, I would suggest you to once run hadoop fsck so that any inconsistencies crept i...
find -exec cmd {} + vs | xargs
...
Speed difference will be insignificant.
But you have to make sure that:
Your script will not assume that no
file will have space, tab, etc in
file name; the first version is
safe, the second is not.
Your script will not treat a file starting with "-" as an option.
So your code s...
HTML anchor link - href and onclick both?
...executes some JavaScript and then proceeds to go wherever the href was taking it. Invoking a function that executes my JavaScript and then sets window.location or top.location to the href location doesn't work for me.
...