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How to obtain the number of CPUs/cores in Linux from the command line?
.../cpuinfon in human-read-able format:
# lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 8
On-line CPU(s) list: 0-7
Thread(s) per core: 1
Core(s) per socket: 4
CPU socket(s): 2
NUMA node(s): ...
What is `git diff --patience` for?
...algorithm=myers
diff --git a/example.css b/example.css
index 7f1bd1e..6a64c6f 100755
--- a/example.css
+++ b/example.css
@@ -1,7 +1,8 @@
-.foo1 {
+.bar {
margin: 0;
}
-.bar {
+.foo1 {
margin: 0;
+ color: green;
}
Whereas patience diff shows a result that is arguably more intuiti...
How do I print the full value of a long string in gdb?
...n of that string:
(gdb) p/x (char[10]) *($ebx)
$90 = {0x61,
0x73,
0x64,
0x66,
0x61,
0x73,
0x64,
0x66,
0x65,
0xa}
This may be useful if you want to debug by their values
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How to check if a user likes my Facebook Page or URL using Facebook's API
...$payload) = explode('.', $_REQUEST['signed_request'], 2);
$sig = base64_decode(strtr($encoded_sig, '-_', '+/'));
$data = json_decode(base64_decode(strtr($payload, '-_', '+/'), true));
return $data;
}
return false;
}
if($signed_request = parsePageSignedRequest()) {
i...
How do I get the user agent with Flask?
...eaders.get('User-Agent')
you may get:
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36
If you use
request.user_agent
you may get like this:
user_agent.platform: windows
user_agent.browser: chrome
user_agent.version: 45.0.2454.10...
Get file size, image width and height before upload
...
Example using FileReader API
In case you need images sources as long Base64 encoded data strings
<img src="data:image/png;base64,iVBORw0KGg... ...lF/++TkSuQmCC=">
const EL_browse = document.getElementById('browse');
const EL_preview = document.getElementById('preview');
const r...
error C2758: “ConstInit::cival”: 必须在构造函数基/成员初始值设定项列...
...成员可以在构造函数体类或者构造函数列表中初始化，但是某些类型，例如默认构造函数的类类型成员、const后者引用类型的成员则必须在构造函数初始化列表中进行初始化。例如：
//const成员初始化
class ConstInit {
public:
C...
Difference between abstraction and encapsulation?
...
64
@Sanjeev encapsulation is concrete, abstraction is...abstract! ;-) encapsulation is an object you can use, abstraction is an ideal you can ...
What are naming conventions for MongoDB?
...asz NurkiewiczTomasz Nurkiewicz
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98
...
Setup a Git server with msysgit on Windows [closed]
...It's long, but I have successfully got this working on Windows 7 Ultimate x64.
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