大约有 19,000 项符合查询结果（耗时：0.0459秒） [XML]
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
...
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
...
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
...
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?
...
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...
Rails: Logging the entire stack trace of an exception
...ered Aug 15 '10 at 7:05
darkliquiddarkliquid
3,57511 gold badge2323 silver badges1616 bronze badges
...
Static member initialization in a class template
...
@Johannes: Dammit, I'm here for a year and I didn't know that! What else am I missing? (I still remember the shame when I discovered that the two numbers that appear when I click on the number of votes aren't a bug, but a feature.) <goes_playing> Wow, when I hover ...
Mockito: List Matchers with generics
...rk as same as anyList()? I am in Java 8 and a warning is thrown in Eclipse IDE
– Fernando Fradegrada
Jul 14 '17 at 13:47
1
...
How to get Visual Studio to open Resolve Conflicts window after a TFS Get
...Visual Studio 2013 the reason for the Resolve Conflicts operation to be inside the dropdown as an entry is VS 2013 itself and not due to the Team Explorer to not be wide enough?
– sergiol
Apr 3 '17 at 14:28
...