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define() vs. const
... a static scalar (number, string or other constant like true, false, null, __FILE__), whereas define() takes any expression. Since PHP 5.6 constant expressions are allowed in const as well:
const BIT_5 = 1 << 5; // Valid since PHP 5.6 and invalid previously
define('BIT_5', 1 << 5); /...
The most accurate way to check JS object's type?
... constructor:
Native Type Ex1:
var string1 = "Test";
console.log(string1.__proto__.constructor.name);
displays:
String
Ex2:
var array1 = [];
console.log(array1.__proto__.constructor.name);
displays:
Array
Custom Classes:
function CustomClass(){
console.log("Custom Class Object C...
How do I specify local .gem files in my Gemfile?
I have a couple of gem files which I install via gem install xx.gem . Can I tell Bundler to use them? Or do I have to specify the source path?
...
What does “The APR based Apache Tomcat Native library was not found” mean?
...ns exactly what it says: "The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path"
The library referred to is bundled into an OS specific dll (tcnative-1.dll) loaded via JNI. It allows tomcat to use OS functionali...
Causes of getting a java.lang.VerifyError
...atures found at runtime did not match what was there at compile-time.
Normally, the compiler will flag problems where method signatures do not match. The JVM will verify the bytecode again when the class is loaded, and throws VerifyError when the bytecode is trying to do something that should not ...
How to convert Java String into byte[]?
...m you appear to be wrestling with is that this doesn't display very well. Calling toString() will just give you the default Object.toString() which is the class name + memory address. In your result [B@38ee9f13, the [B means byte[] and 38ee9f13 is the memory address, separated by an @.
For display ...
How to use NSURLConnection to connect with SSL for an untrusted cert?
...- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust])
if ([trustedHosts containsObject:challenge.protectionSpace.h...
Is it possible to have a multi-line comments in R? [duplicate]
...u can only use such blocks in places where an expression would be syntactically valid - no commenting out parts of lists, say.
Regarding what do in which IDE: I'm a Vim user, and I find
NERD Commenter an utterly excellent tool for quickly commenting or uncommenting multiple lines. Very user-friendl...
VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...在以下三种情况出现。
（1）调用abort函数，并且设置了_CALL_REPORTFAULT选项（这个选项在Release版本是默认设置的）。
（2）启用了运行时安全检查选项，并且在软件运行时检查出安全性错误，例如出现缓存溢出。（安全检查选项 ...
std::find，std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
std::find，std::find_if使用小结STL的find，find_if函数提供了一种对数组、STL容器进行查找的方法。使用该函数，需 #include <algorithm>我们查找一个list中的数据，通常...STL的find，find_if函数提供了一种对数组、STL容器进行查找的方法。使...