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python-pandas and databases like mysql
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As Wes says, io/sql's read_sql will do it, once you've gotten a database connection using a DBI compatible library. We can look at two short examples using the MySQLdb and cx_Oracle libraries to connect to Oracle and MySQL and query their da...
How can I close a buffer without closing the window?
...u with a new blank buffer.
Throw this in your .vimrc:
map <leader>q :bp<bar>sp<bar>bn<bar>bd<CR>
Restart Vim, or just :source ~/.vimrc for changes to take effect. Next time you want to close a buffer just type: \q (if \ is your leader key)
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Read a variable in bash with a default value
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edited Aug 18 at 1:01
squarecandy
3,68711 gold badge2626 silver badges3838 bronze badges
answered Apr 15 '10 at 3:45
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Pointer expressions: *ptr++, *++ptr and ++*ptr
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The side effect of a postfix increment expression
1. Precedence. A quick glance at the precedence table for operators will tell you that postfix increment has a higher precedence (16) than dereference / indirection (15). This means that the complex expression *p++ is going to be grouped as: ...
Why are there two ways to unstage a file in Git?
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With this many votes on both question and answer, I would say that apparently we want to have an unstage command in git.
– milosmns
Mar 20 '19 at 13:19
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Google Analytics - Failed to load resource: http://www.google-analytics.com/ga.js
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
})(window,document,'script','https://www.google-analytics.com/analyt...
How to see query history in SQL Server Management Studio
Is the query history stored in some log files? If yes, can you tell me how to find their location? If not, can you give me any advice on how to see it?
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Multiple dex files define Landroid/support/v4/accessibilityservice/AccessibilityServiceInfoCompat
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Run gradle -q dependencies (or gradle -q :projectName:dependencies) to generate a dependency report. You should see where r7 is coming from, such as:
compile - Classpath for compiling the main sources.
+--- com.commonsware.cwac:camera-v...
Generate all permutations of a list without adjacent equal elements
...Thijser's currently incomplete pseudocode. The idea is to take the most frequent of the remaining item types unless it was just taken. (See also Coady's implementation of this algorithm.)
import collections
import heapq
class Sentinel:
pass
def david_eisenstat(lst):
counts = collections...
Logging best practices [closed]
...eople are handling tracing and logging in real applications. Here are some questions that might help to explain your answer.
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