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What makes Lisp macros so special?
...could write a macro that lets you say something like:
(setvar *rows* (sql select count(*)
from some-table
where column1 = "Yes"
and column2 like "some%string%")
And thats not even getting into Reader macros.
Hope this helps.
...
Difference between classification and clustering in data mining? [closed]
... of fruits.
What you will do first is you take on the fruit and you will select any physical character of that particular fruit. suppose you taken color.
Then you will arrange them based on the color, then the groups will be some thing like this.
RED COLOR GROUP: apples & cherry fruits.
GREE...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 2
3 import org.eclipse.swt.SWT;
4 import org.eclipse.swt.events.SelectionAdapter;
5 import org.eclipse.swt.events.SelectionEvent;
6 import org.eclipse.swt.widgets.Button;
7 import org.eclipse.swt.widgets.Dialog;
8 import org.eclipse.swt.widgets.Display;
9 import org.ec...
bower init - difference between amd, es6, globals and node
...erify to create a dist/dflow.js file that exports a global dflow var: so I selected globals.
Other Updates
The command I used to browserify dflow as a window global object was
browserify -s dflow -e index.js -o dist/dflow.js
I changed it cause I prefer to use require also inside the browser, s...
Recursive sub folder search and return files in a list python
...fter the latest downvote, it occurred to me that glob is a better tool for selecting by extension.
import os
from glob import glob
result = [y for x in os.walk(PATH) for y in glob(os.path.join(x[0], '*.txt'))]
Also a generator version
from itertools import chain
result = (chain.from_iterable(glo...
How do I run a Python program in the Command Prompt in Windows 7?
...you have Python2.7 installed
Goto the Start Menu
Right Click "Computer"
Select "Properties"
A dialog should pop up with a link on the left called "Advanced system settings". Click it.
In the System Properties dialog, click the button called "Environment Variables".
In the Environment Variables di...
How do I apply a perspective transform to a UIView?
...zip it
Go into the folder you unzipped, open its iCarousel subfolder, then select iCarousel.h and iCarousel.m and drag them into your project navigation – that's the left pane in Xcode. Just below Info.plist is fine.
Check "Copy items if needed" then click Finish.
Xcode will prompt you with the me...
How do I clear a search box with an 'x' in bootstrap 3?
...button) in other browsers, such as Firefox, so Firefox users could instead select the text and press delete, or...
If you really need this nice-to-have feature supported in Firefox, then you could implement one of the other solutions posted here as a polyfill for input[type=search] elements. A poly...
Which is more efficient: Multiple MySQL tables or one large table?
...ectly then you should only need the intense lookup by doing something like select * from users where name="bob". Once you have bob then you are using an index to find the joined tables to bob which is significantly faster because you are using bob's id. This happens regardless of if you are doing a ...
Retrieve the commit log for a specific line in a file?
...y easy way to do this is by using vim-fugitive. Just open the file in vim, select the line(s) you're interested in using V, then enter
:Glog
Now you can use :cnext and :cprev to see all the revisions of the file where that line is modified. At any point, enter :Gblame to see the sha, author, and ...