大约有 44,000 项符合查询结果（耗时：0.0781秒） [XML]
Adding IN clause List to a JPA Query
...
You must convert to List as shown below:
String[] valores = hierarquia.split(".");
List<String> lista = Arrays.asList(valores);
String jpqlQuery = "SELECT a " +
"FROM AcessoScr a " +
...
What is the maximum float in Python?
...
Cool, both are very useful. inf for all things python, and float_info.max as a workaround when the earlier doesn't work, for example time.sleep(float("inf")) is not allowed :(
– Dima Tisnek
Oct 20 '16 at 11:27
...
printf with std::string?
My understanding is that string is a member of the std namespace, so why does the following occur?
7 Answers
...
POST JSON to API using Rails and HTTParty
.../json', 'Accept' => 'application/json'}. Note: the header should not be converted to JSON, it is expected to be an hash
– Devaroop
Sep 28 '13 at 6:45
...
Program only crashes as release build — how to debug?
...t a program nonetheless) is crashing, but only when built in release mode, and only when launched from the command line. Through caveman debugging (ie, nasty printf() messages all over the place), I have determined the test method where the code is crashing, though unfortunately the actual crash se...
How can I break an outer loop with PHP?
...
Nice try at converting the entire supplied code to PHP, though the break statement doesn't do what I need it to do (it only ends the inner loop).
– Marty
May 4 '11 at 8:18
...
What does the [Flags] Enum Attribute mean in C#?
...t expect in bitwise operations, because by default the values start with 0 and increment.
Incorrect declaration:
[Flags]
public enum MyColors
{
Yellow, // 0
Green, // 1
Red, // 2
Blue // 3
}
The values, if declared this way, will be Yellow = 0, Green = 1, Red = 2, Blu...
PHP Difference between array() and []
...standard class and $obj = (object) ['foo'=>'bar', 'baz'=>'biz']; to convert an array (using explicit type casting) to an object (stdClass) but regarding the {}, it could be implemented in future but not sure tho :-)
– The Alpha
Jan 27 '16 at 17:39
...
Send file using POST from a Python script
...i have done successfully but now i want to upload a video after logging in and the form has a different fields to be filled before submission. So how should I pass those values like videos description,videos title etc
– TaraGurung
May 31 '15 at 10:02
...
How can I time a code segment for testing performance with Pythons timeit?
...
You can use time.time() or time.clock() before and after the block you want to time.
import time
t0 = time.time()
code_block
t1 = time.time()
total = t1-t0
This method is not as exact as timeit (it does not average several runs) but it is straightforward.
time.time...