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How to set request headers in rspec request spec?
...mall gotcha that I ran into because I am silly: The header keys have to be Strings. Symbols will not show up.
– ajmurmann
Sep 27 '13 at 23:21
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Pass a local file in to URL in Java
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Using Java 7:
Paths.get(string).toUri().toURL();
However, you probably want to get a URI. Eg, a URI begins with file:/// but a URL with file:/ (at least, that's what toString produces).
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What's the best way of structuring data on firebase?
...e will probably set you in the right state of mind, so here goes:
/users/uid
/users/uid/email
/users/uid/messages
/users/uid/widgets
Now, since we're in a hierarchical structure, if I want to iterate users' email addresses, I do something like this:
// I could also use on('child_added') here to ...
How to count the number of files in a directory using Python
...mport os
onlyfiles = next(os.walk(dir))[2] #dir is your directory path as string
print len(onlyfiles)
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What does the question mark operator mean in Ruby?
...:
"F"[0]
or in ruby 1.9:
"F".ord
Also notice that ?F will return the string "F", so in order to make the code shorter, you can also use ?F.ord in Ruby 1.9 to get the same result as "F".ord.
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Remove json element
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Do NOT have trailing commas in your OBJECT (JSON is a string notation)
UPDATE: you need to use array.splice and not delete if you want to remove items from the array in the object
var data = {
"result": [{
"FirstName": "Test1",
"LastName": "User"
}, {
"FirstN...
How to subtract 30 days from the current datetime in mysql?
...ays. This is the most common case.
Note that the date has been added as a string. It is better to add the date in this way, from your calling code, than to use the NOW() function as it kills your caching.
SELECT * FROM table WHERE exec_datetime >= DATE_SUB('2012-06-12', INTERVAL 30 DAY);
You ...
PHP YAML Parsers [closed]
...hp";
$data = Spyc::YAMLLoad($myfile);
Given an array, Spyc will return a string which contains a YAML document built from your data.
$yaml_str = Spyc::YAMLDump($myarray);
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Remove first element from $@ in bash [duplicate]
...eeded: if there is only 1 argument, ${@:2} will simply expand to the empty string (cont'd).
– mklement0
Apr 9 '14 at 5:05
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Linux - Replacing spaces in the file names
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got the below error tr: two strings must be given when translating mv: missing file argument Try `mv --help' for more information.
– Mithun Sreedharan
Nov 27 '09 at 5:31
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