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Why does Clojure have “keywords” in addition to “symbols”?
... and global vars...
Keywords are generally used as lightweight "constant strings", e.g. for the keys of a hash-map or the dispatch values of a multimethod. Symbols are generally used to name variable and functions and it's less common to manipulate them as objects directly except in macros and su...
ASP.NET MVC 404 Error Handling [duplicate]
...ng the user with overall look and feel of the rest of the site without any extra work.
– Dimskiy
Jan 27 '11 at 16:47
7
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Twitter Bootstrap 3: how to use media queries?
...re the selectors used in BS4. There is no "lowest" setting in BS4 because "extra small" is the default. I.e. you would first code the XS size and then have these media overrides afterwards.
@media(min-width:576px){}
@media(min-width:768px){}
@media(min-width:992px){}
@media(min-width:1200px){}
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SQL query to select dates between two dates
...etween '2011/02/25' and '2011/02/27'
The date values need to be typed as strings.
To ensure future-proofing your query for SQL Server 2008 and higher, Date should be escaped because it's a reserved word in later versions.
Bear in mind that the dates without times take midnight as their defaults,...
How can I get all the request headers in Django?
...rip will strip out all leading characters that match any characters in the string you give it, so if you have a header "HTTP_TOKEN_ID" it will give back "OKEN_ID", because the "T" at the beginning of "TOKEN" matches a character in the string passed to lstrip. The way to do it is prefix = 'HTTP_'; h...
How do I convert a column of text URLs into active hyperlinks in Excel?
... 200 entries.
NOTE: This solution does not work if the cell A1 contains a string longer than 255 characters. It results in a #VALUE! error
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How to fix: “UnicodeDecodeError: 'ascii' codec can't decode byte”
...
tl;dr / quick fix
Don't decode/encode willy nilly
Don't assume your strings are UTF-8 encoded
Try to convert strings to Unicode strings as soon as possible in your code
Fix your locale: How to solve UnicodeDecodeError in Python 3.6?
Don't be tempted to use quick reload hacks
Unicode Zen in ...
How to query MongoDB with “like”?
...egexp's '.*'), not something that has "m" anchored to the beginning of the string.
note: mongodb uses regular expressions which are more powerful than "LIKE" in sql. With regular expressions you can create any pattern that you imagine.
For more info on regular expressions refer to this link
https...
String, StringBuffer, and StringBuilder
Please tell me a real time situation to compare String , StringBuffer , and StringBuilder ?
11 Answers
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Performance optimization strategies of last resort [closed]
...x4 matrices and 4-vectors of floats. Changing the code to carry around the extra empty slot and converting the calculation to floating point from fixed point allowed for a slightly less-accurate but much faster result.
– RBerteig
May 30 '09 at 2:19
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