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What does $1 [QSA,L] mean in my .htaccess file?

..."/page.php?page=$1" [QSA] With the [QSA] flag, a request for /pages/123?one=two will be mapped to /page.php?page=123&one=two share | improve this answer | ...
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Convert absolute path into relative path given a current directory using Bash

... $ python -c "import os.path; print os.path.relpath('/foo/bar', '/foo/baz/foo')" gives: ../../bar share | improve this answer | ...
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Is there a max array length limit in C++?

...r that has native hardware support in the integer math unit. On every x86 OS I've used, size_t is 32-bits for a 32-bit OS and 64-bits for a 64-bit OS. – Mr Fooz Dec 18 '09 at 22:36 ...
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How can I find where Python is installed on Windows?

... your Python interpreter, type the following commands: >>> import os >>> import sys >>> os.path.dirname(sys.executable) 'C:\\Python25' Also, you can club all these and use a single line command. Open cmd and enter following command python -c "import os, sys; print(os.path...
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Get nested JSON object with GSON using retrofit

...s":"OK", "reason":"some reason", "content" : { "foo": 123, "bar": "some value" } } You'd then have a Content POJO: class Content { public int foo; public String bar; } Then you write a deserializer: class MyDeserializer implements JsonDeserializer<Co...
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When to use ref and when it is not necessary in C#

...mean it's good. It would have been better if rather than if (int.TryParse("123", out var theInt) { /* use theInt */ } we had var candidate = int.TrialParse("123"); if (candidate.Parsed) { /* do something with candidate.Value */ } It is more code, but is much more consistent with the C# language desi...
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Why do I get a “Null value was assigned to a property of primitive type setter of” error message whe

...s.num = i; } public int getNum() { return this.num; } But in most cases you will want to return the wrapper class. So either set your DB column to not allow nulls, or use a wrapper class. share | ...
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib

...ated web sharing, installed MySQL etc. I can't seem to find my PHP files, most importantly, PHP.ini. 12 Answers ...
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How to read from standard input in the console?

... I'm not sure what's wrong with the block reader := bufio.NewReader(os.Stdin) fmt.Print("Enter text: ") text, _ := reader.ReadString('\n') fmt.Println(text) As it works on my machine. However, for the next block you need a pointer to the variables you're assigning the input to. Try replacin...
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Django: How to manage development and production settings?

... myapp/production_settings.py and myapp/test_settings.py in your source repository. In that case, you'd respectively set DJANGO_SETTINGS_MODULE=myapp.production_settings to use the former and DJANGO_SETTINGS_MODULE=myapp.test_settings to use the latter. From here on out, the problem boils down t...