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“Warning: iPhone apps should include an armv6 architecture” even with build config set
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If you uncheck "Build Active Architecture Only", then it will build all the valid architectures.
Update: This is no longer applicable as of Xcode 4 - follow Nick's instructions for Xcode 4 and later.
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How to install the JDK on Ubuntu Linux
I am trying to install the Java Development Kit (JDK) on Ubuntu Linux distribution, but I am unable to install it.
33 A...
Difference between . and : in Lua
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To be completely precise, obj:method(1, 2, 3) is the same as
do
local _obj = obj
_obj.method(_obj, 1, 2, 3)
end
Why the local variable? Because, as many have pointed out, obj:method() only indexes _ENV once to get obj. This normally just important when considering speed, but consider this s...
How do I iterate over an NSArray?
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The generally-preferred code for 10.5+/iOS.
for (id object in array) {
// do something with object
}
This construct is used to enumerate objects in a collection which conforms to the NSFastEnumeration protocol. This approach ha...
Is there a W3C valid way to disable autocomplete in a HTML form?
...complete", "off" ); someFormElm.setAttribute( "autocomplete", "off" );
Finally, if your site is using HTTPS, IE automatically turns off autocompletion (as do some other browsers, as far as I know).
Update
As this answer still gets quite a few upvotes, I just wanted to point out that in HTML5, you...
jQuery - Detect value change on hidden input field
...es across this thread.
Changes in value to hidden elements don't automatically fire the .change() event. So, wherever it is that you're setting that value, you also have to tell jQuery to trigger it.
function setUserID(myValue) {
$('#userid').val(myValue)
.trigger('change');...
How to replace local branch with remote branch entirely in Git?
...contents of master. So if you're on e.g. a feature-branch, it will replace all its commits with master, so make sure you've checked out the branch you're replacing first.
– Zoltán
Jul 15 '16 at 8:29
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
...der Instead of using setHeader method,
response.addHeader("Access-Control-Allow-Origin", "*");
* in above line will allow access to all domains.
For allowing access to specific domain only:
response.addHeader("Access-Control-Allow-Origin", "http://www.example.com");
Check this blog post.
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Sleep for milliseconds
... facilities:
#include <chrono>
#include <thread>
std::this_thread::sleep_for(std::chrono::milliseconds(x));
Clear and readable, no more need to guess at what units the sleep() function takes.
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select、poll、epoll之间的区别总结[整理] - C/C++ - 清泛网 - 专注C/C++及内核技术
...1、select实现
select的调用过程如下所示：
（1）使用copy_from_user从用户空间拷贝fd_set到内核空间
（2）注册回调函数__pollwait
（3）遍历所有fd，调用其对应的poll方法（对于socket，这个poll方法是sock_poll，sock_poll根据情况会调用到...