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Ruby: How to turn a hash into HTTP parameters?
...reaks down.
require "addressable/uri"
uri = Addressable::URI.new
uri.query_values = {:a => "a", :b => ["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
# ...
Print a string as hex bytes?
...ex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
8
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How to convert a number to string and vice versa in C++
...5).
string to numeric
float stof(const string& str, size_t *idx = 0);
double stod(const string& str, size_t *idx = 0);
long double stold(const string& str, size_t *idx = 0);
int stoi(const string& str, size_t *idx = 0, int base = 10);
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What is the difference between Int and Integer?
...answered May 16 '14 at 21:28
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How to handle Objective-C protocols that contain properties?
...e.
Edit:
You may want to do this more specifically:
@synthesize title = _title;
This will fall in line with how xcode's automatic synthesis creates properties and ivars if you use auto-synthesis, so that way if your class has properties from a protocol and a class, some of your ivars won't have...
SQL Server reports 'Invalid column name', but the column is present and the query works through mana
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[Edited to further note]
The other possibilities are (in no particular order):
You aren't connected to the database you think you are.
You aren't connected to the SQL Server instance you think you are.
Double check your connect strings and ensure that they explicitly specify the SQL Server i...
Adding options to select with javascript
...delay...), an approach extending the prototype of the HTMLSelectElement in order to chain the populate() function, as a method, to the DOM node:
HTMLSelectElement.prototype.populate = function (opts) {
var settings = {};
settings.min = 0;
settings.max = settings.min + 100;
for (va...
Add default value of datetime field in SQL Server to a timestamp
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In order for a column to have a default value, it needs a "default constraint", and this command will add that. You can name the constraint whatever you like, Management Studio usually names them DF_TableName.
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Background color not showing in print preview
...eeded to add the !important attribute onto the the background-color tag in order for it to show up, did not need the webkit part:
background-color: #f5f5f5 !important;
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What does 'public static void' mean in Java?
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Since the questioner is still learning: the order of these keywords is also important. All modifiers first (public, static, private, etc.) then the return type (void in this case).
– Pindatjuh
Mar 5 '10 at 21:34
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