大约有 44,000 项符合查询结果（耗时：0.0685秒） [XML]
Postgres could not connect to server
... -D /usr/local/var/postgres -- it will give you a much more verbose output if postgres fails to start.
In my case, running rm -rf /usr/local/var/postgres && initdb /usr/local/var/postgres -E utf8 removed my old databases and then reinitialized the postgres db schema.
Thanks to https://gi...
CSS: Set a background color which is 50% of the width of the window
...
Older Browser Support
If older browser support is a must, so you can't go with multiple backgrounds or gradients, you're probably going to want to do something like this on a spare div element:
#background {
position: fixed;
top: 0;
l...
What causes javac to issue the “uses unchecked or unsafe operations” warning
...
This comes up in Java 5 and later if you're using collections without type specifiers (e.g., Arraylist() instead of ArrayList<String>()). It means that the compiler can't check that you're using the collection in a type-safe way, using generics.
To ge...
Bash set +x without it being printed
Does anyone know if we can say set +x in bash without it being printed:
5 Answers
5
...
Using XPATH to search text containing
...example, you
may need to type text in a field like
this: "foo ". But if you simply
write <td>foo </td> in your
Selenese test case, we'll replace your
extra spaces with just one space.
This problem has a simple workaround.
We've defined a variable in Selenese,
${spa...
What is the meaning of polyfills in HTML5?
...
I think the word Polyfills came up after HTML5. Is Shim different than Polyfills?
– Jitendra Vyas
Aug 17 '11 at 2:37
...
Exactly what is a “third party”? (And who are the first and second party?)
...
If you are developing software for a client, then there is a contract between you/your company, and the client/their company. These are the two parties to the contract. Anyone else, not bound by the contract, is a third party...
How can I count occurrences with groupBy?
... you're just looking for the overload which takes another Collector to specify what to do with each group... and then Collectors.counting() to do the counting:
import java.util.*;
import java.util.stream.*;
class Test {
public static void main(String[] args) {
List<String> list =...
How can I give the Intellij compiler more heap space?
... I know this is slightly off-topic but might save someone some hair if they come across this. I was having the same problem, but mine stemmed from when I was doing a mvn install in IntelliJ. The solution was to modify the Settings | Maven | Runner | **VM Options** I must have tried every o...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
What's the difference between the WebConfigurationManager and the ConfigurationManager ?
4 Answers
...