大约有 31,100 项符合查询结果（耗时：0.0374秒） [XML]
Stop Excel from automatically converting certain text values to dates
Does anyone happen to know if there is a token I can add to my csv for a certain field so Excel doesn't try to convert it to a date?
...
psql invalid command \N while restore sql
I'm trying to restore my dump file, but it caused an error:
12 Answers
12
...
Facebook development in localhost
... scalable and convenient to set up a second Facebook app. If I'm building MyApp, then I'll make a second one called MyApp-dev.
Create a new app at https://developers.facebook.com/apps
(New 2/15/2012) Click the Website checkbox under 'Select how your application integrates with Facebook'
(In the r...
How to calculate the running time of my program? [duplicate]
I wrote a program and now I want to calculate the total running time of my program from start to end.
6 Answers
...
MySQL Cannot Add Foreign Key Constraint
So I'm trying to add Foreign Key constraints to my database as a project requirement and it worked the first time or two on different tables, but I have two tables on which I get an error when trying to add the Foreign Key Constraints.
The error message that I get is:
...
Make the current commit the only (initial) commit in a Git repository?
...
Thanks larsmans - I have opted to use this as my solution. Though initialising the Git repo loses record of untracked files in the old repo, this is probably a simpler solution for my problem.
– kaese
Mar 13 '12 at 12:14
...
Simulate low network connectivity for Android [closed]
I would like to test my application for cases of low network connectivity. Except standing in the elevator, what is the best way to do this? I've tried wrapping my phone in an aluminum foil, but it didn't help much.
...
dd: How to calculate optimal blocksize? [closed]
... Excellent point about remembering to drop caches. This was messing up my measurements! (Although minor issue: it's "drop_caches", with an underscore. Apparently edits need to be at least 6 characters... :( )
– Tom
Dec 9 '15 at 17:10
...
How do you round a floating point number in Perl?
...way marks and so on, for the more common (and possibly trivial) use-case:
my $rounded = int($float + 0.5);
UPDATE
If it's possible for your $float to be negative, the following variation will produce the correct result:
my $rounded = int($float + $float/abs($float*2 || 1));
With this calculatio...
execJs: 'Could not find a JavaScript runtime' but execjs AND therubyracer are in Gemfile
...buntu Users:
I had the same problem and I fixed it by installing nodejson my system independent of the gem.
on ubuntu its: sudo apt-get install nodejs
I'm using 64bit ubuntu 11.10
update:
From @Galina 's answer below I'm guessing that the latest version of nodejs is required,
so @steve98177 you...