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MySQL - why not index every field?
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123
Indexes take up space in memory (RAM); Too many or too large of indexes and the DB is going to ...
Restoring MySQL database from physical files
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edited Jul 25 '15 at 20:24
Benoit Duffez
9,1201010 gold badges6565 silver badges113113 bronze badges
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Skip callbacks on Factory Girl and Rspec
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edited Aug 23 '12 at 16:24
answered Jan 12 '12 at 16:24
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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
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Example 1
The result of some operation is an array of objects:
[{value: 2}, {value: 4}, {value: 6}]
and you want to compute the minimum and maximum of the values. Lets assume we use two done callbacks:
deferred.then(function(result) {
// result = [{value: 2}, {value: 4}, {value: 6}]
var...
What exactly does the “u” do? “git push -u origin master” vs “git push origin master”
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edited Jul 12 '16 at 14:33
answered Apr 18 '11 at 2:02
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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...heString = chArray;
theString.format(_T("%s"), chArray);
theString = p;
2、CString转换成char*
若将CString类转换成char*(LPSTR)类型，常常使用下列三种方法：
方法一，使用强制转换。例如：
CString theString( "This is a test" );
LPTSTR lpsz =(LPTSTR)(LPCTSTR)t...
Remove data.frame row names when using xtable
...; print(xtable(res), include.rownames=FALSE)
% latex table generated in R 2.12.2 by xtable 1.5-6 package
% Fri Mar 25 10:06:08 2011
\begin{table}[ht]
\begin{center}
\begin{tabular}{rrrrr}
\hline
am & cyl & mpg & hp & wt \\
\hline
0.00 & 4.00 & 22.90 & 84.67 & 2....
How can I set the aspect ratio in matplotlib?
...get_extent()
ax.set_aspect(abs((extent[1]-extent[0])/(extent[3]-extent[2]))/aspect)
data = np.random.rand(10,20)
fig = plt.figure()
ax = fig.add_subplot(111)
ax.imshow(data)
ax.set_xlabel('xlabel')
ax.set_aspect(2)
fig.savefig('equal.png')
ax.set_aspect('auto')
fig.savefig('auto.png')
forceAsp...
Make anchor link go some pixels above where it's linked to
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21 Answers
21
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Setting an int to Infinity in C++
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132
Integers are inherently finite. The closest you can get is by setting a to int's maximum value:
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