大约有 47,000 项符合查询结果（耗时：0.0645秒） [XML]
CORS - What is the motivation behind introducing preflight requests?
...rticular HTTP verb", "Now I'll allow cookies/auth information to be sent", etc. This scenario benefits from the preflight mechanism.
New servers that are written with an awareness of CORS. According to standard security practices, the server has to protect its resources in the face of any incoming r...
How to round up a number to nearest 10?
...d up, it rounds to the nearest 10. To solve this, add +5 to your number in order to round up. If you want to round down, do -5.
So in code:
round($num + 5, -1);
You can't use the round mode for rounding up, because that only rounds up fractions and not whole numbers.
If you want to round up to ...
How do I make an HTML button not reload the page
...
In HTML:
<form onsubmit="return false">
</form>
in order to avoid refresh at all "buttons", even with onclick assigned.
share
|
improve this answer
|
...
Can I add jars to maven 2 build classpath without installing them?
...itory, while automatically resolving all metadata (groupId, artifactId and etc.) from names of files. The script also prints out the dependencies xml for you to copy-paste in your pom.
Include the dependencies in your target package
When you'll have your in-project repository created you'll have sol...
How to checkout in Git by date?
... can use the following.
git checkout $(
git log --reverse --author-date-order --pretty=format:'%ai %H' master |
awk '{hash = $4} $1 >= "2016-04-12" {print hash; exit 0 }
)
(If you also want to specify the time use $1 >= "2016-04-12" && $2 >= "11:37" in the awk predicate.)
...
Create timestamp variable in bash script
...
In order to get the current timestamp and not the time of when a fixed variable is defined, the trick is to use a function and not a variable:
#!/bin/bash
# Define a timestamp function
timestamp() {
date +"%T" # current time
...
Is Random class thread safe?
...rogram to require such a guarantee, especially as you cannot determine the order in which nextInt() will be called.
share
|
improve this answer
|
follow
|
...
Using Java to find substring of a bigger string using Regular Expression
...
what is faster, indexof substring etc etc or regexp?
– Toskan
Aug 3 '11 at 15:20
2
...
What is the difference between user and kernel modes in operating systems?
...ttp://wiki.osdev.org/Global_Descriptor_Table
the segment registers CS, DS, etc., which point to the index of an entry in the GDT.
For example, CS = 0 means the first entry of the GDT is currently active for the executing code.
What can each ring do?
The CPU chip is physically built so that:
...
JavaScript object: access variable property by name as string [duplicate]
...he fact that right could also come from a variable, function return value, etc., when using bracket notation.
If you NEED a function for it, here it is:
function read_prop(obj, prop) {
return obj[prop];
}
To answer some of the comments below that aren't directly related to the original que...