大约有 40,000 项符合查询结果（耗时：0.0566秒） [XML]
How to make “if not true condition”?
...$user:" /etc/passwd would be the more correct way to search /etc/passwd incidently – grep -v where -v inverts the search if you wanted to avoid the mess of ||
– Orwellophile
Jun 1 '15 at 16:59
...
How to set input type date's default value to today?
The HTML5 input types are great, Opera's new built-in date picker is a breeze, and Chrome has at least supported the new input type with a spin-wheel implementation.
...
CodeIgniter: Create new helper?
...n $var;
}
}
Save this to application/helpers/ . We shall call it "new_helper.php"
The first line exists to make sure the file cannot be included and ran from outside the CodeIgniter scope. Everything after this is self explanatory.
Using the Helper
This can be in your controller, model...
How to use Servlets and Ajax?
I'm very new to web apps and Servlets and I have the following question:
7 Answers
7
...
Convert list to dictionary using linq and not worrying about duplicates
...ould do something like this:
// Use the first value in list
var _people = new Dictionary<string, Person>(StringComparer.OrdinalIgnoreCase);
foreach (var p in personList)
{
if (!_people.ContainsKey(p.FirstandLastName))
_people[p.FirstandLastName] = p;
}
// Use the last value in li...
JSON and XML comparison [closed]
...chema for datatype, structure validation. Makes it also possible to create new datatypes
XSLT for transformation into different output formats
XPath/XQuery for extracting information in deeply nested structures
built in support for namespaces
Con:
Relatively wordy compared to JSON (results in mo...
Cannot push to Heroku because key fingerprint
I am new to Rails, and I was trying to deploy a very simple app to Heroku. This is the second app that I deploy, and the first one I was able to do it just fine. However I am having some issues with this one. Whenever I " git push heroku master ", I get this error:
...
How to find the duration of difference between two dates in java?
...
try the following
{
Date dt2 = new DateAndTime().getCurrentDateTime();
long diff = dt2.getTime() - dt1.getTime();
long diffSeconds = diff / 1000 % 60;
long diffMinutes = diff / (60 * 1000) % 60;
long diffHours = diff / (60 ...
How do I create a branch?
...
Create a new branch using the svn copy command as follows:
$ svn copy svn+ssh://host.example.com/repos/project/trunk \
svn+ssh://host.example.com/repos/project/branches/NAME_OF_BRANCH \
-m "Creating a branch of proje...
Expand Python Search Path to Other Source
...ou really mean __init__.py, as opposed to init.py. Just to avoid confusing newbies. :)
– antred
Feb 19 '15 at 14:38
add a comment
|
...