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Ruby: How to turn a hash into HTTP parameters?

... => ["c", "d", "e"]} uri.query # => "a=a&b[0]=c&b[1]=d&b[2]=e" uri.query_values = {:a => "a", :b => [{:c => "c", :d => "d"}, {:e => "e", :f => "f"}]} uri.query # => "a=a&b[0][c]=c&b[0][d]=d&b[1][e]=e&b[1][f]=f" uri.query_values = {:a => "a", ...
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Print a string as hex bytes?

...g: Hello world !! and I want to print it using Python as 48:65:6c:6c:6f:20:77:6f:72:6c:64:20:21:21 . 13 Answers ...
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How to get size of mysql database?

... 1221 Run this query and you'll probably get what you're looking for: SELECT table_schema "DB Name"...
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How to detect if CMD is running as Administrator/has elevated privileges?

...istrator ) ELSE ( ECHO you are NOT Administrator. Exiting... PING 127.0.0.1 > NUL 2>&1 EXIT /B 1 ) Assuming that doesn't work and since we're talking Win7 you could use the following in Powershell if that's suitable: $principal = new-object System.Security.Principal.WindowsP...
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Why does this loop produce “warning: iteration 3u invokes undefined behavior” and output more than 4

...cout << i*1000000000 << std::endl; ^ a.cpp:9:2: note: containing loop for (int i = 0; i < 4; ++i) ^ The only way we can analyze what the program is doing, is by reading the generated assembly code. Here is the full assembly listing: .file "a.cpp" .s...
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From ND to 1D arrays

... 283 Use np.ravel (for a 1D view) or np.ndarray.flatten (for a 1D copy) or np.ndarray.flat (for an ...
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AngularJS ngClass conditional

...sions like ng-class="{'test': obj.value1 == 'someothervalue' || obj.value2 == 'somethingelse'}" share | improve this answer | follow | ...
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Add a number to each selection in Sublime Text 2, incremented once per selection

...to add insert a number that is incremented once per cursor in Sublime Text 2? 3 Answers ...
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How to get the last day of the month?

...nd month. >>> import calendar >>> calendar.monthrange(2002,1) (1, 31) >>> calendar.monthrange(2008,2) (4, 29) >>> calendar.monthrange(2100,2) (0, 28) so: calendar.monthrange(year, month)[1] seems like the simplest way to go. Just to be clear, monthrange s...
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Understanding the Use of ColorMatrix and ColorMatrixColorFilter to Modify a Drawable's Hue

...e http://groups.google.com/group/android-developers/browse_thread/thread/9e215c83c3819953 * @see http://gskinner.com/blog/archives/2007/12/colormatrix_cla.html * @param value degrees to shift the hue. * @return */ public static ColorFilter adjustHue( float value ) { ColorMatrix cm = new Colo...