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Getting only 1 decimal place [duplicate]

How do I convert 45.34531 to 45.3 ? 3 Answers 3 ...
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How to find common elements from multiple vectors?

...ame the element are numeric i tried the reduce function not outout i tried converting them into factor still no answer but if i try one by such as intersect(df$a,df$b) etc working ..since i have a total of 40 columns it cumbersome to do it ...can you suggest something shorter –...
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How do I change the string representation of a Python class? [duplicate]

...st three functions. Json dumps treats the object as a dictionary, and will convert all keys to strs. – mchicago Mar 7 '14 at 12:14 add a comment  |  ...
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What does the keyword “transient” mean in Java? [duplicate]

...hrough the network, the object needs to be 'serialized'. Serialization converts the object state to serial bytes. Those bytes are sent over the network and the object is recreated from those bytes. Member variables marked by the java transient keyword are not transferred, they are lo...
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PHP - add item to beginning of associative array [duplicate]

... @Timo Huovinen, array_merge didn't work because PHP converted your key to a number, and array_merge resets numeric keys. – meustrus Jan 24 '14 at 18:16 4 ...
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Array copy values to keys in PHP [duplicate]

...milar values. For example: array('one','two','one') may be problematic if converted like duplicate keys: array('one'=>..,'two'=>..,'one'=>...) share | improve this answer | ...
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Replacing Spaces with Underscores

...d ending with white spaces. $trimmed = trim($string); // Trims both ends $convert = str_replace('', '_', $trimmed); share | improve this answer | follow | ...
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Iterating over a numpy array

...ther by looking at the implementation of ndenumerate, which does 2 things, converting to an array and looping. If you know you have an array, you can call the .coords attribute of the flat iterator. a = X.flat %timeit list([(a.coords, x) for x in a.flat]) 1 loop, best of 3: 305 ms per loop ...
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How to send HTML-formatted email? [duplicate]

...tionSettings.AppSettings["SMTP"].ToString(); smtpClient.Port = Convert.ToInt32(ConfigurationSettings.AppSettings["PORT"].ToString()); smtpClient.EnableSsl = true; smtpClient.Credentials = new System.Net.NetworkCredential(ConfigurationSettings.AppSettings["USERNAME...
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Rails - link_to helper with data-* attribute [duplicate]

...oo-bar' => 'that' } Update: In Rails 4, underscores are automatically converted to dashes, so you can do this: :data => { :foo_bar => 'that' } Alternatively you can just write it directly: = link_to body, url, :'data-foo' => 'bar', :'data-this' => 'that' Update 2: As pointed o...