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How to show all shared libraries used by executables in Linux?
...t answer (I've up-voted it) but can you explain the "grep -P '\t.*so'" command? According to man, this interprets the pattern as a perl regexp, but my version of grep doesn't support it (man indicates this is a general issue). What bit of the regexp is perl-specific?
– Bobby Ja...
Bash script to calculate time elapsed
...a script in bash to calculate the time elapsed for the execution of my commands, consider:
10 Answers
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Simplest way to do a recursive self-join?
...ITH clause. If you need specifics, please create a fiddle on sqlfiddle.com and post the link here.
– Quassnoi
Nov 25 '14 at 22:31
add a comment
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What does the ^ operator do in Java?
...--- xor
3 = 011
This the truth table for bitwise (JLS 15.22.1) and logical (JLS 15.22.2) xor:
^ | 0 1 ^ | F T
--+----- --+-----
0 | 0 1 F | F T
1 | 1 0 T | T F
More simply, you can also think of xor as "this or that, but not both!".
See also
Wikipedia: exclusive-...
Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
...r a[] , it specifies the initial values
of the characters in that array (and,
if necessary, its size).
Anywhere else, it turns into an unnamed, static array of characters,
and this unnamed array may be stored
in read-only memory, and which
therefore cannot necessarily be
modified. In a...
Pretty-print C++ STL containers
...har *postfix;
};
// Defines the delimiter values for a specific container and character type
template<typename T, typename TChar>
struct delimiters
{
static const delimiters_values<TChar> values;
};
// Default delimiters
template<typename T> struct delimiters<T, char> ...
Scala: List[Future] to Future[List] disregarding failed futures
...re's a twist... The list I'm given usually has around 10-20 futures in it, and it's not uncommon for one of those futures to fail (they are making external web service requests). Instead of having to retry all of them in the event that one of them fails, I'd like to be able to get at the ones that s...
lsof survival guide [closed]
lsof is an increadibly powerful command-line utility for unix systems. It lists open files, displaying information about them. And since most everything is a file on unix systems, lsof can give sysadmins a ton of useful diagnostic data.
...
C# 多线程、并行处理全攻略（持续更新） - .NET(C#) - 清泛IT论坛，有思想、有深度
一、多线程（Thread）：
using System.Threading;
...
Thread t = new Thread(new ThreadStart(delegate
{
        Proxy(delegate
        {
                button3.Enabled = false;
  ...
AppInventor2中的二进制数据以什么样的形式传递？字节列表、字节数组是什么...
1、byte[] 类型（字节数组）的字段：App Inventor 无法直接处理字节数组，但它们可以作为扩展之间的通用 Object 类型变量进行交换。
MQTT拓展中的字节数组的处理方式就是这种，直接转换成byte[]：
@SimpleFunction(description = "Publishe...