大约有 30,000 项符合查询结果(耗时:0.0519秒) [XML]
How do you reverse a string in place in JavaScript?
How do you reverse a string in place (or in-place) in JavaScript when it is passed to a function with a return statement, without using built-in functions ( .reverse() , .charAt() etc.)?
...
Rails 3: Get Random Record
... in two parts and using Ruby, we have a reasonable improvement in response time.
users = User.scoped.select(:id);nil
User.find( users.first( Random.rand( users.length )).last )
(;nil for console use)
Rails log:
User Load (25.2ms) SELECT id FROM users User Load (0.2ms) SELECT
users.* FROM...
Is it possible to declare a variable in Gradle usable in Java?
...are some vars in the build.gradle and then getting it (obviously) at build time. Just like a pre-processor macros in C/C++...
...
Run/install/debug Android applications over Wi-Fi?
...s/Settings->Plugins->Browse Repositories
.
Remember! for first time to initialize the device you must have to connect using usb
Alternatively, you can download the plugin from the JetBrains plugin site and install it manually in: Preferences/Settings->Plugins->Install plugin from ...
Multiple glibc libraries on a single host
...e absolute path to ld-linux.so.2 is hard-coded into the executable at link time, and can not be easily changed after the link is done.
To build an executable that will work with the new glibc, do this:
g++ main.o -o myapp ... \
-Wl,--rpath=/path/to/newglibc \
-Wl,--dynamic-linker=/path/to/ne...
How to print out the contents of a vector?
...
If you're going to do this, why test if (i != last) each time in the loop? Instead, if the container isn't empty then (a) send the first element, and then (b) loop-send the remaining elements, printing the separator first (as a prefix). No inner loop test (apart from the loop cond...
Proper way to return JSON using node or Express
...
Thank you for your time. To be honest with you, I do not have a problem on my end. It is just that someone (in different timezone) complained about the format that I was using because he wanted to do a get and for some reason they could not rea...
Check if directory mounted with bash
...
You actually have something mounted at the time you ran the 'mountpoint' command? Even if it's intended to be a mountpoint, unless it actually has something mounted, it's just a directory.
– Mark J. Bobak
Feb 23 '12 at 22:57
...
Textarea Auto height [duplicate]
... any external libraries. This answer probably hasn't helped anyone in some time.
– Jayant Bhawal
Jul 29 '16 at 9:37
9
...
What exceptions should be thrown for invalid or unexpected parameters in .NET?
...der's answer enlightened me. An input is invalid if it is not valid at any time, while an input is unexpected if it is not valid for the current state of the system. So in the later case an InvalidOperationException is a reasonable choice.
...
