大约有 3,000 项符合查询结果（耗时：0.0159秒） [XML]
Context switches much slower in new linux kernels
...ware.
To see which cpuidle driver is currently active in your setup, just cat the current_driver file in the cpuidle section of /sys/devices/system/cpu as follows:
cat /sys/devices/system/cpu/cpuidle/current_driver
If you want your modern Linux OS to have the lowest context switch latency possib...
Create a List of primitive int?
...t.
Of course, that is the dis-advantage of using raw type. You can have Cat, Dog, Tiger, Dinosaur, all in one container.
Is my only option, creating an array of int and converting it into a list
In that case also, you will get a List<Integer> only. There is no way you can create List&...
How can I make PHP display the error instead of giving me 500 Internal Server Error [duplicate]
...e very beginning of your script to set them at runtime (though you may not catch all errors this way):
error_reporting(E_ALL);
ini_set('display_errors', 'On');
After that, restart server.
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https connection using CURL from command line
...ite, which was served over HTTPS, but curl was giving the same "SSL certificate problem" message. I worked around it by adding a -k flag to the call to allow insecure connections.
curl -k https://whatever.com/script.php
Edit: I discovered the root of the problem. I was using an SSL certificate (f...
Underscore vs Double underscore with variables and methods [duplicate]
...
From PEP 8:
_single_leading_underscore: weak "internal use" indicator. E.g.
from M import *
does not import objects whose name starts with an underscore.
single_trailing_underscore_: used by convention to avoid conflicts with Python keyword, e.g.
Tkinter.Toplevel(master,...
How to convert jsonString to JSONObject in Java
...ry {
JSONObject jsonObject = new JSONObject("{\"phonetype\":\"N95\",\"cat\":\"WP\"}");
}catch (JSONException err){
Log.d("Error", err.toString());
}
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passport.js passport.initialize() middleware not in use
...assport.js with restful api.
I keep getting this exception after authentication success (I see the callback url on the browser):
...
std::string formatting like sprintf
...
You can't do it directly, because you don't have write access to the underlying buffer (until C++11; see Dietrich Epp's comment). You'll have to do it first in a c-string, then copy it into a std::string:
char buff[100];
snprintf(buff, sizeof(buff), "%s", "Hello");
std::str...
What's a good hex editor/viewer for the Mac? [closed]
...derstand what :% ! does, then you will realize this is equivalent to doing cat filename.bin | xxd. So really this is more of a "did you know that you have an xxd command?" answer. Now that I look into it, I find that xxd also accepts a filename. So, if you only need to see the content of the binary/...
How to specify more spaces for the delimiter using cut?
... the third field and every field after it, omitting the first two fields"
cat log | tr -s [:blank:] |cut -d' ' -f 3-
I do not believe there is an equivalent command for awk or perl split where we do not know how many fields there will be, ie out put the 3rd field through field X.
...