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How to change the default GCC compiler in Ubuntu?
...and pointed out by @tripleee's comment:
update-alternatives --query gcc
Now, note the priority attributed to gcc-4.4 because you'll need to give a higher one to gcc-3.3.
To set your alternatives, you should have something like this (assuming your gcc installation is located at /usr/bin/gcc-3.3, a...
Checking if form has been submitted - PHP
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Ideally now you should use if (null !== (filter_input(INPUT_POST, 'macaddress'))){ which gets you in the habit of using filter_input
– depicus
Feb 20 '15 at 9:46
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How to change context root of a dynamic web project in Eclipse?
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I'm sure you've moved on by now, but I thought I'd answer anyway.
Some of these answers give workarounds. What actually must happen is that you clean and re-publish your project to "activate" the new URI. This is done by right-clicking your server (in t...
How do I simulate a hover with a touch in touch enabled browsers?
... removed touchend and preventDefault() in my website and it works good but now menus doesn't automatically closed by tap out of target.
– Даниил Пронин
May 26 '14 at 11:05
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Who is calling the Java Thread interrupt() method if I'm not?
...ly should not call System.exit(). (Your application does not necessarily know why it was interrupted, and it certainly does not know if there are other threads that need to be interrupted by the framework.)
On the other hand, if your code is not designed to run under the control of some framewor...
Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
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I don't know why it returns a node list instead of an array, maybe because like getElementsByTagName it will update the result when you update the DOM. Anyway a very simple method to transform that result in a simple array is:
Array....
Can you “ignore” a file in Perforce?
... with an explanation of how it works. Then I noticed this answer, which is now superfluous I guess.
Assuming you have a client named "CLIENT", a directory named "foo" (located at your project root), and you wish to ignore all .dll files in that directory tree, you can add the following lines to y...
Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术
...ptr<implementation> sp1(new implementation());
std::cout<<"The Sample now has "<<sp1.use_count()<<" references\n";
boost::shared_ptr<implementation> sp2 = sp1;
std::cout<<"The Sample now has "<<sp2.use_count()<<" references\n";
sp1.reset();
std::cout<<"After Reset sp...
SQLite UPSERT / UPDATE OR INSERT
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For now, no this release in Ubuntu repository yet.
– bl79
Jun 9 '18 at 20:21
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How to find the size of localStorage
...n("\n"));
P.S. Snippets are updated according to request in the comment. Now the calculation includes the length of the key itself.
Each length is multiplied by 2 because the char in javascript stores as UTF-16 (occupies 2 bytes)
P.P.S. Should work both in Chrome and Firefox.
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