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A field initializer cannot reference the nonstatic field, method, or property
...ion", the following: The variable initializers are executed in the textual order in which they appear in the class declaration. This is even repeated in "10.11.2 Instance variable initializers" where they say: The variable initializers are executed in the textual order in which they appear in the cl...
Batch script to delete files
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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.
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How do you Encrypt and Decrypt a PHP String?
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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 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...
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...
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...
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
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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...
UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
...unmodifiableMap(new LinkedHashMap<>(realMap)); to keep the iteration order intact (but there may be cases where this doesn't matter). In any case, I'm regularly doing this, and would prefer it over ImmutableMap (particularly if Guava is not already a dependency anyhow). There may be justificat...
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": [
"...