大约有 31,000 项符合查询结果（耗时：0.0583秒） [XML]
Is there ever a time where using a database 1:1 relationship makes sense?
...ample, however. I try to avoid trying to force object oriented concepts on my tables (instead, using an ORM as a data library), but I have seen cases where I was tempted. Performance of such systems at scale killed those experiments though. Still, that is probably the best example of a non-performan...
How to temporarily exit Vim and go back
...
What if I want to continue running my server while editing my file. For example, let's say I do nodemon app.js (nodemon refreshes the server on file edits for you) and then I want to return to my vim editing. Can I do that without two separate terminal windows...
How do I install Eclipse Marketplace in Eclipse Classic?
...nt to "All Available Sites", the Helios update repository wasn't there, so my searching turned up no results. Adding the Helios Repository then going to General Purpose Tools revealed it.
– Thomas Owens
Mar 12 '11 at 22:09
...
How to merge every two lines into one from the command line?
...e final newline, his sed solution skips the final line in its entirty, and my solution repeats the last line. paste, on the other hand, behaves perfectly. +1.
– ghoti
Mar 11 '14 at 13:42
...
Removing nan values from an array
I want to figure out how to remove nan values from my array. My array looks something like this:
11 Answers
...
How to check internet access on Android? InetAddress never times out
...g on the internet?
Not as far as I know, but let me know, and I will edit my answer.
What if the DNS is down?
Google DNS (e.g. 8.8.8.8) is the largest public DNS in the world. As of 2013 it served 130 billion requests a day. Let 's just say, your app would probably not be the talk of the day.
Whic...
How does functools partial do what it does?
I am not able to get my head on how the partial works in functools.
I have the following code from here :
7 Answers
...
MPICH vs OpenMPI
...immediately preceding quote is his.
Platform-Specific Comparison
Here is my evaluation on a platform-by-platform basis:
Mac OS: both Open-MPI and MPICH should work just fine. To get the latest features of the MPI-3 standard, you need to use a recent version of Open-MPI, which is available from ...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...var/log/lastlog &
[1] 5636
$ ls -l /proc/5636/fd
total 0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 0 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 1 -> /dev/pts/0
lrwx------ 1 myuser myuser 64 Feb 27 07:36 2 -> /dev/pts/0
lr-x------ 1 myuser myuser 64 Feb 27 07:36 3 -> /...
How do I create a new line in Javascript?
...u can also have more than one:
document.write("\n\n\n"); // 3 new lines! My oh my!
However, if this is rendering to HTML, you will want to use the HTML tag for a newline:
document.write("<br>");
The string Hello\n\nTest in your source will look like this:
Hello!
Test
The string Hell...