大约有 40,000 项符合查询结果（耗时：0.0713秒） [XML]
Hashing a string with Sha256
... 2 years ago.
static string sha256(string randomString)
{
var crypt = new SHA256Managed();
string hash = String.Empty;
byte[] crypto = crypt.ComputeHash(Encoding.ASCII.GetBytes(randomString));
foreach (byte theByte in crypto)
{
hash += theByte.ToString("x2");
}
r...
How to install PostgreSQL's pg gem on Ubuntu?
...
For those really new to Ubuntu as me, but really new use sudo apt-get install aptitude first :)
– Haris Krajina
Oct 19 '12 at 11:44
...
How do I use an INSERT statement's OUTPUT clause to get the identity value?
...
You can either have the newly inserted ID being output to the SSMS console like this:
INSERT INTO MyTable(Name, Address, PhoneNo)
OUTPUT INSERTED.ID
VALUES ('Yatrix', '1234 Address Stuff', '1112223333')
You can use this also from e.g. C#, when yo...
How to avoid scientific notation for large numbers in JavaScript?
...'e-')[1]);
if (e) {
x *= Math.pow(10,e-1);
x = '0.' + (new Array(e)).join('0') + x.toString().substring(2);
}
} else {
var e = parseInt(x.toString().split('+')[1]);
if (e > 20) {
e -= 20;
x /= Math.pow(10,e);
x += (new Array(e+1)).join('0'...
TreeMap sort by value
...t;K,V> map) {
SortedSet<Map.Entry<K,V>> sortedEntries = new TreeSet<Map.Entry<K,V>>(
new Comparator<Map.Entry<K,V>>() {
@Override public int compare(Map.Entry<K,V> e1, Map.Entry<K,V> e2) {
int res = e1.getValu...
How do I find out what keystore my JVM is using?
...
So if I install a new version of Java, and JAVA_HOME is pointing to a new directory, am I going to have certificate issues?
– Kirill Yunussov
Dec 15 '15 at 16:25
...
SQL left join vs multiple tables on FROM line?
...ealing with query hints, and some databases have no way at all.
Enter the new syntax, with this you can choose.
For instance, if you want all companies, as the problem description stated, this is what you would write:
SELECT *
FROM Company
LEFT JOIN (
Department INNER JOIN Employee ...
assertEquals vs. assertEqual in python
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
Dictionary returning a default value if the key does not exist [duplicate]
...(TValue defaultValue) : base() {
_default = defaultValue;
}
public new TValue this[TKey key]
{
get {
TValue t;
return base.TryGetValue(key, out t) ? t : _default;
}
set { base[key] = value; }
}
}
Beware, however. By subclassing and using new (since override is ...
JPA OneToMany not deleting child
... more details see this blog entry.
Note that since the spec is relatively new, not all JPA 1 provider have a final JPA 2 implementation. For example, the Hibernate 3.5.0-Beta-2 release does not yet support this attribute.
s...