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How many bits or bytes are there in a character? [closed]

... some legacy apps still use 1 byte chars with local codepages, but all NT versions of Windows internally run with 2-byte characters (UCS-2 up to NT4, UTF-16 from Windows 2000 onwards, stored as wchar_t), not only Asian ones, and so should...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

... 64 bit version is running, you'll get a message like: java version "1.6.0_18" Java(TM) SE Runtime Environment (build 1.6.0_18-b07) Java HotSpot(TM) 64-Bit Server VM (build 16.0-b13, mixed mode) A 32 bit version will show something similar to: java version "1.6.0_41" Java(TM) SE Runtime Environm...
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Why is creating a new process more expensive on Windows than Linux?

...quires a compatbility shim, checking whether software restriction policies apply, yada yada. That said, I see the overall slowdown in the sum of all those little things that have to be done in addition to the raw creation of a process, VA space, and initial thread. But as said in the beginning -- d...
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jQuery Ajax POST example with PHP

...an access the values posted by jQuery.ajax // through the global variable $_POST, like this: $bar = isset($_POST['bar']) ? $_POST['bar'] : null; Note: Always sanitize posted data, to prevent injections and other malicious code. You could also use the shorthand .post in place of .ajax in the above...
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Escaping single quote in PHP when inserting into MySQL [duplicate]

... You should be escaping each of these strings (in both snippets) with mysql_real_escape_string(). http://us3.php.net/mysql-real-escape-string The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This mean...
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Does Swift have documentation generation support?

...// You can use bulleted lists (use `-`, `+` or `*`): /// /// - Text can be _emphasised_ /// - Or **strong** /// /// Or numbered lists: /// /// 7. The numbers you use make no difference /// 0. The list will still be ordered, starting from 1 /// 5. But be sensible and just use 1, 2, 3 etc… /// /// -...
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What are the most common naming conventions in C?

...which can be summarized as follows: All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX. Struct names and typedef's in camelcase: GtkWidget, TrackingOrder. Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_process(). Pointers: nothing fancy her...
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How to obtain a Thread id in Python?

... threading.get_ident() works, or threading.current_thread().ident (or threading.currentThread().ident for Python < 2.6). share | impro...
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TypeScript sorting an array

..., b) { var ax = [], bx = []; a.replace(/(\d+)|(\D+)/g, function (_, $1, $2) { ax.push([$1 || Infinity, $2 || ""]) }); b.replace(/(\d+)|(\D+)/g, function (_, $1, $2) { bx.push([$1 || Infinity, $2 || ""]) }); while (ax.length && bx.length) { var an = ax.shift(); ...
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How to delete duplicate lines in a file without sorting it in Unix?

... To save it in a file we can do this awk '!seen[$0]++' merge_all.txt > output.txt – Akash Kandpal Jul 19 '18 at 11:42 5 ...