大约有 40,000 项符合查询结果（耗时：0.0609秒） [XML]
How can I determine the URL that a local Git repository was originally cloned from?
...e repository taking into account
any "url.<base>.insteadOf" config setting (See git-config(1)) and
exit without talking to the remote.
As pointed out by @Jefromi, this option was added in v1.7.5 and not documented until v1.7.12.2 (2012-09).
...
Exec : display stdout “live”
...tdout/stderr events (spawn.stdout.on('data',callback..)) as they happen.
From NodeJS documentation:
var spawn = require('child_process').spawn,
ls = spawn('ls', ['-lh', '/usr']);
ls.stdout.on('data', function (data) {
console.log('stdout: ' + data.toString());
});
ls.stderr.on('data'...
sql primary key and index
Say I have an ID row (int) in a database set as the primary key. If I query off the ID often do I also need to index it? Or does it being a primary key mean it's already indexed?
...
Map Tiling Algorithm
...late as a grid. We know the points on the grid at constant temperature. We set the temperature of all unknown points to be room temperature (as if the vent had only just been turned on). We then let the heat spread through the plate until we reach convergence. This is done by iteration: we iterate t...
Django - How to rename a model field using South?
...
Add south to your installed apps in project setting file.
Comment out the added/modified field/table.
$ manage.py Schemamigration <app_name> --initial
$ manage.py migrate <app_name> --Fake
Un-comment the field and write the modified one
$ manage.py Schemami...
Log exception with traceback
...umerous techniques that others had posted online such as the one above but settled on a different approach. Overriding traceback.print_exception.
I have a write up at http://www.bbarrows.com/ That would be much easier to read but Ill paste it in here as well.
When tasked with logging all the exce...
Identify user in a Bash script called by sudo
If I create the script /root/bin/whoami.sh containing:
7 Answers
7
...
What is “406-Not Acceptable Response” in HTTP?
In my Ruby on Rails application I tried to upload an image through the POSTMAN REST client in Base64 format. When I POST the image I am getting a 406 Not Acceptable Response . When I checked my database, the image was there and was successfully saved.
...
Remove excess whitespace from within a string
I receive a string from a database query, then I remove all HTML tags, carriage returns and newlines before I put it in a CSV file. Only thing is, I can't find a way to remove the excess white space from between the strings.
...
How to call a parent class function from derived class function?
...e in this context. Let's say someone created a class that carried out some set of operations on a particular datatype, exposed some accessors, and had a print(obj&) method. I need a new class that works on array-of-obj but everything else is the same. Composition results in a lot of duplicated c...