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Ruby Metaprogramming: dynamic instance variable names
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Select last N rows from MySQL
...rticle is about MySQL, but wanted to advise that in response to @DiegoDD's comment above, omitting the external select and alias does not seem to work in Postgres (9.3.5). I get an 'Error: multiple ORDER BY clauses not allowed'. The accepted answer, however, does work as expected in Postgres
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How to disable google translate from html in chrome
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Updated URL for documentation: support.google.com/webmasters/answer/79812
– Ahi Tuna
Jun 5 '18 at 15:10
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What is the difference between svg's x and dx attribute?
...rdinates (relative to the specified x and y).
In my experience, it is not common to use dx and dy on <text> elements (although it might be useful for coding convenience if you, for example, have some code for positioning text and then separate code for adjusting it).
dx and dy are mostly use...
Create a menu Bar in WPF?
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I have prepared a comprehensive tutorial on WPF Menus, Command Binding adding Shortcut keys etc at youtu.be/bdmVWGjpA_8
– Zaheer
Apr 26 at 1:18
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Rails 4: before_filter vs. before_action
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START_STICKY and START_NOT_STICKY
... the OS to recreate the service after it has enough memory and call onStartCommand() again with a null intent. START_NOT_STICKY tells the OS to not bother recreating the service again. There is also a third code START_REDELIVER_INTENT that tells the OS to recreate the service and redeliver the same...
What is the exact meaning of Git Bash?
...h Git Bash for the last two days. I know now the basic operations such as commit , push , pull , fetch , and merge . But I still don't know what Git Bash itself actually is!
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How to get line count of a large file cheaply in Python?
...nt by sampling. It can be thousands of times faster. See: documentroot.com/2011/02/…
– Erik Aronesty
Jun 14 '16 at 20:30
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Passing a list of kwargs?
...nction's kwargs. Consider this code: (newlines don't seem to be allowed in comments) def a(**kw): print(kw), and def b(**kw): a(kw). This code will generate an error because kwargs is actually a dictionary, and will be interpreted as a regular argument of the dict type. Which is why changing def b(*...