大约有 19,000 项符合查询结果（耗时：0.0271秒） [XML]
How to sort the result from string_agg()
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The question was about string_agg. Postgres was incidental to his question and he mentioned it last. The question is useful to others as well.
– nomen
Mar 5 at 17:42
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How to ignore xargs commands if stdin input is empty?
Consider this command:
6 Answers
6
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Specify pane percentage in tmuxinator project
...defined.
First set up your layout just how you like it - you can adjust widths with resize-pane until it is just right for you. Then run tmux list-windows. And then you should be able to use the layout: line from the output unaltered in tmuxinator.conf
So based on the output from your gist:
0: t...
How to create and write to a txt file using VBA
...ct is to make autocompletion
' (Intellisense) work, which helps you avoid typos and lets you discover other useful
' methods of the FileSystemObject
Dim fso As FileSystemObject
Set fso = New FileSystemObject
Dim fileStream As TextStream
' Here the actual file is created and ...
mysqli or PDO - what are the pros and cons? [closed]
...u do like object mapping, it's REALLY cool :
class Student {
public $id;
public $first_name;
public $last_name
public function getFullName() {
return $this->first_name.' '.$this->last_name
}
}
try
{
$dbh = new PDO("mysql:host=$hostname;dbname=school", $user...
Invert “if” statement to reduce nesting
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A return in the middle of the method is not necessarily bad. It might be better to return immediately if it makes the intent of the code clearer. For example:
double getPayAmount() {
double result;
if (_isDead) result = deadAmount();...
Outputting data from unit test in python
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What if I call a method foo inside testSomething and it logs something. How can I see the output for that without passing the logger to foo?
– simao
Nov 2 '10 at 0:57
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What is the Ruby (spaceship) operator?
...,2,2]
Ruby will start comparing each element of both array from left hand side.
1 for left array is smaller than 2 of right array. Hence left array is smaller than right array. Output will be -1.
[2,3,2] <=> [2,2,2]
As above it will first compare first element which are equal then it will com...
Uninstall ReSharper 4.5
... but too expensive for a beginner or hobbyst...
– Saeid Yazdani
Nov 10 '11 at 8:02
1
Agreed that ...
Scala downwards or decreasing for loop?
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Scala provides many ways to work on downwards in loop.
1st Solution: with "to" and "by"
//It will print 10 to 0. Here by -1 means it will decremented by -1.
for(i <- 10 to 0 by -1){
println(i)
}
2nd Solution: With "t...