大约有 30,000 项符合查询结果（耗时：0.0459秒） [XML]
How to convert a String to CharSequence?
...for OP's question by posting my own trouble. I'm working in Scala, but the error messages I'm getting all reference Java types, and the error message reads a lot like the compiler complaining that CharSequence is not a String. I confirmed in the source code that String implements the CharSequence i...
Integer.toString(int i) vs String.valueOf(int i)
I am wondering why the method String.valueOf(int i) exists ? I am using this method to convert int into String and just discovered the Integer.toString(int i) method.
...
Best way to format integer as string with leading zeros? [duplicate]
... Only Python 2 behaves this way - in python 3, a = 010 would give a syntax error. Octals in python 3 start with 0o, eg. 0o10 (presumably to avoid this exact confusion).
– Tom
Mar 31 '17 at 8:58
...
Switch statement: must default be the last case?
...se 0:
// here goes the timeout case
break;
case -1:
// some error occurred, you have to check errno
}
The point is that the above code is more readable and efficient than cascaded if. You could put default at the end, but it is pointless as it will focus your attention on error case...
How to get Android crash logs?
...eople and crashing on remote devices, you may want to look into an Android error reporting library (referenced in this SO post). If it's just on your own local device, you can use LogCat. Even if the device wasn't connected to a host machine when the crash occurred, connecting the device and issui...
find vs find_by vs where
... When query value out of range, find_by will rescue ::RangeError from where(*args) and return nil.
– fangxing
May 6 '19 at 8:39
...
Redirecting EC2 Elastic Load Balancer from HTTP to HTTPS
I want to redirect all the HTTP request to https request on ELB . I have two EC2 instances. I am using nginx for the server. I have tried a rewriting the nginx conf files without any success. I would love some advice on it.
...
JSLint is suddenly reporting: Use the function form of “use strict”
...ok on Grunt:
If we try it now, we will scan our Gruntfile… and get some errors:
$ grunt jshint
Running "jshint:all" (jshint) task
Linting Gruntfile.js...ERROR
[L1:C1] W097: Use the function form of "use strict".
'use strict';
Linting Gruntfile.js...ERROR
[L3:C1] W117: 'module' is not defined.
mo...
Determine the line of code that causes a segmentation fault?
... +1 , Valgrind is so much faster / easier to use to spot memory errors. On non-optimized builds with debugging symbols, it tells you exactly where a segfault happened and why.
– Tim Post♦
May 21 '10 at 16:38
...
Cause CMAKE to generate an error
How can I get CMAKE to generate an error on a particular condition. That is, I want something like this:
1 Answer
...