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PHP shell_exec() vs exec()
...ll_exec('ifconfig')
string(1244) "eth0 Link encap:Ethernet HWaddr 10:bf:44:44:22:33 \n inet addr:192.168.0.90 Bcast:192.168.0.255 Mask:255.255.255.0\n inet6 addr: fe80::12bf:ffff:eeee:2222/64 Scope:Link\n UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1\n ...
How many bytes does one Unicode character take?
...x 0x00..0x7F Only byte of a 1-byte character encoding
10xxxxxx 0x80..0xBF Continuation byte: one of 1-3 bytes following the first
110xxxxx 0xC0..0xDF First byte of a 2-byte character encoding
1110xxxx 0xE0..0xEF First byte of a 3-byte character encoding
11110xxx 0xF0..0xF7 First byte ...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...
BinaryFormatter bf = new BinaryFormatter();
byte[] bytes;
MemoryStream ms = new MemoryStream();
string orig = "喂 Hello 谢谢 Thank You";
bf.Serialize(ms, orig);
ms.Seek(0, 0);
bytes = ms.ToArray();
MessageBox.Show("Original bytes Length...
Elegant way to invert a map in Scala
... )(implicit ev :C[V] => TraversableOnce[V]) {
def invert(implicit bf :CanBuildFrom[Nothing,K,C[K]]) :Map[V,C[K]] =
m.foldLeft(Map.empty[V, Builder[K,C[K]]]) {
case (acc, (k, vs)) =>
vs.foldLeft(acc) {
case (a, v) => a + (v -> (a.getOrElse(v,bf()) += k))
...
Is it possible to force Excel recognize UTF-8 CSV files automatically?
...pen CSV file is encoded in UTF-8. I also tried specifying UTF-8 BOM EF BB BF , but Excel ignores that.
27 Answers
...
Send string to stdin
... 624e b33e 017c b73e 0ca6 bb3e D..>bN.>.|.>...>
00000b0: 6fcc bf3e 15ef c33e e90d c83e d728 cc3e o..>...>...>.(.>
00000c0: c93f d03e ac52 d43e 6c61 d83e f36b dc3e .?.>.R.>la.>.k.>
00000d0: 2f72 e03e 0a74 e43e 7171 e83e 506a ec3e /r.>.t.>qq.>Pj.>
00...
Why are Docker container images so large?
...layers. To get around this you must clean at each layer.
$ docker history bf5260c6651d
IMAGE CREATED CREATED BY SIZE
bf5260c6651d 4 days ago /bin/sh -c yum -y install git; yum -y clean a 260.7 MB
172743bd5d60 4 ...
What is [Serializable] and when should I use it?
... MemoryStream ms = new MemoryStream();
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(ms, objSer);
return ms;
}
[OnSerializing]
private void OnSerializing(StreamingContext context) {
Fname = "sheo";
...
Find size of object instance in bytes in c#
...);
System.Runtime.Serialization.Formatters.Binary.BinaryFormatter bf =
new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
SerializationSizer ss = new SerializationSizer();
bf.Serialize(ss, parent);
Console.WriteLine("Size of serialized o...
Why does C++ not allow inherited friendship?
...nnies;
friend class hot_girl;
};
class hot_girl {
public:
stingy *bf;
int &get_cash( stingy &x = *bf ) { return x.pennies; }
};
class moocher {
public: // moocher can access stingy's pennies despite not being a friend
int &get_cash( hot_girl &x ) { return x.get_cas...
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