大约有 47,000 项符合查询结果（耗时：0.0289秒） [XML]
How do I convert Long to byte[] and back in java
... doing cross-language or cross-platform, then sending the bytes in a known order is important. This method does that (it writes them "high byte first") according to the docs. The accepted answer does not (it writes them in the "current order" according to the docs). The question states that he wa...
How do you Encrypt and Decrypt a PHP String?
....
To implement authenticated encryption, you want to Encrypt then MAC. The order of encryption and authentication is very important! One of the existing answers to this question made this mistake; as do many cryptography libraries written in PHP.
You should avoid implementing your own cryptography, ...
How to add lines to end of file on Linux
...o abc >> def' will 'sudo abc' and then '>> def' the output. In order to sudo the entire 'abc >> def' bit, you must do something like this: sudo sh -c "echo 'VNCSERVERS=\"1:root\"' >> /etc/sysconfig/configfile" (note that the inner double-quotes must be escaped)
...
Batch script to delete files
...
Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
...
Finding a branch point with Git?
...t.
So, I've created the following tree (letters assigned in chronological order), so I could test things out:
A - B - D - F - G <- "master" branch (at G)
\ \ /
C - E --' <- "topic" branch (still at E)
This looks a little different than yours, because I wanted to make...
Transactions in REST?
...ple items to a shopping basket and then submit that basket to process the order, you can add Bob's account entry to the transaction wrapper and then Bill's account entry to the wrapper. When all the pieces are in place then you can POST/PUT the transaction wrapper with all the component pieces. ...
How to use java.String.format in Scala?
...icate positioning. By default, the position of the argument is simply the order in which it appears in the string.
Here's an example of the proper way to use this:
String result = String.format("The format method is %s!", "great");
// result now equals "The format method is great!".
You will a...
What's a correct and good way to implement __hash__()?
...lf._a, self._b, self._c)))
Update: as Blckknght points out, changing the order of a, b, and c could cause problems. I added an additional ^ hash((self._a, self._b, self._c)) to capture the order of the values being hashed. This final ^ hash(...) can be removed if the values being combined cannot b...
Foreign key constraint may cause cycles or multiple cascade paths?
...n then your trigger code will define which tables are deleted and in which order.
– onedaywhen
Aug 5 '14 at 15:22
6
...
Query EC2 tags from within instance
...des them, or add an apt or yum command at the beginning of the script.
In order to access EC2 tags you need a policy like this one in your instance's IAM role:
{
"Version": "2012-10-17",
"Statement": [
{
"Sid": "Stmt1409309287000",
"Effect": "Allow",
"Action": [
"...