大约有 13,922 项符合查询结果(耗时:0.0266秒) [XML]
Impossible to Install PG gem on my mac with Mavericks
...t a note that you can still use bundler by setting a config env variable: export CONFIGURE_ARGS="with-pg-config=/Applications/Postgres.app/Contents/MacOS/bin/pg_config"
– film42
Nov 16 '13 at 17:47
...
How to remove specific element from an array using python
...
You don't need to iterate the array. Just:
>>> x = ['ala@ala.com', 'bala@bala.com']
>>> x
['ala@ala.com', 'bala@bala.com']
>>> x.remove('ala@ala.com')
>>> x
['bala@bala.com']
This will remove the first occurence that matches the string.
EDIT:...
How to pick a new color for each plotted line within a figure in matplotlib?
...
matplotlib 1.5+
You can use axes.set_prop_cycle (example).
matplotlib 1.0-1.4
You can use axes.set_color_cycle (example).
matplotlib 0.x
You can use Axes.set_default_color_cycle.
...
Why use the SQL Server 2008 geography data type?
...
If you plan on doing any spatial computation, EF 5.0 allows LINQ Expressions like:
private Facility GetNearestFacilityToJobsite(DbGeography jobsite)
{
var q1 = from f in context.Facilities
let distance = f.Geocode.Distance(jobsite)
where distanc...
Is Fortran easier to optimize than C for heavy calculations?
...nd allow them to generate more efficient code. Take a look at this little example in C:
void transform (float *output, float const * input, float const * matrix, int *n)
{
int i;
for (i=0; i<*n; i++)
{
float x = input[i*2+0];
float y = input[i*2+1];
output[i*2...
Python list sort in descending order
...
In one line, using a lambda:
timestamp.sort(key=lambda x: time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6], reverse=True)
Passing a function to list.sort:
def foo(x):
return time.strptime(x, '%Y-%m-%d %H:%M:%S')[0:6]
timestamp.sort(key=foo, reverse=True)
...
How can I start PostgreSQL server on Mac OS X?
...
1
2
Next
1889
...
Git for beginners: The definitive practical guide
...
1
2
Next
118
votes
...
Open multiple Eclipse workspaces on the Mac
... the officially supported way to do this as of 10.5. Earlier version of OS X and even 10.5 and up should still work using the following instructions though.
Open the command line (Terminal)
Navigate to your Eclipse installation folder, for instance:
cd /Applications/eclipse/
cd /Developer/Ecl...
Way to ng-repeat defined number of times instead of repeating over array?
...ou to do this with only a variable (no function needed):
<li ng-repeat="x in [].constructor(number) track by $index">
<span>{{ $index+1 }}</span>
</li>
$scope.number = 5;
This was not possible at the time the question was first asked. Credit to @Nikhil Nambiar from his...
