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Changing names of parameterized tests
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302
This feature has made it into JUnit 4.11.
To use change the name of parameterized tests, you s...
Git: how to reverse-merge a commit?
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106
To create a new commit that 'undoes' the changes of a past commit, use:
$ git revert <commi...
How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
...ction timeSince(date) {
var seconds = Math.floor((new Date() - date) / 1000);
var interval = seconds / 31536000;
if (interval > 1) {
return Math.floor(interval) + " years";
}
interval = seconds / 2592000;
if (interval > 1) {
return Math.floor(interval) + " months";
}
...
Plot correlation matrix into a graph
...trix
nrowcol <- length(ver)
cor <- matrix(runif(nrowcol*nrowcol, min=0.4), nrow=nrowcol, ncol=nrowcol, dimnames = list(hor, ver))
for (i in 1:nrowcol) cor[i,i] = 1
#Build the plot
rgb.palette <- colorRampPalette(c("blue", "yellow"), space = "rgb")
levelplot(cor, main="stage 12-14 array cor...
How to hide one item in an Android Spinner
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50
To hide an arbitrary item or more than one item I think that you can implement your own adapter ...
Labels for radio buttons in rails form
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answered Apr 14 '09 at 5:13
Matt HaleyMatt Haley
3,98433 gold badges2222 silver badges1616 bronze badges
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The role of #ifdef and #ifndef
...d" while ifndef means "if the following is not defined".
So:
#define one 0
#ifdef one
printf("one is defined ");
#endif
#ifndef one
printf("one is not defined ");
#endif
is equivalent to:
printf("one is defined ");
since one is defined so the ifdef is true and the ifndef is false. It ...
Maintain the aspect ratio of a div with CSS
...entage value for padding-bottom, like this:
.demoWrapper {
padding: 10px;
background: white;
box-sizing: border-box;
resize: horizontal;
border: 1px dashed;
overflow: auto;
max-width: 100%;
height: calc(100vh - 16px);
}
div {
width: 100%;
padding-bottom: 75%;
background: g...
Is PHP's count() function O(1) or O(n) for arrays?
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edited Apr 20 '13 at 22:03
John Carter
49k2424 gold badges100100 silver badges136136 bronze badges
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How can I add items to an empty set in python
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edited Jul 7 '13 at 10:28
answered Jul 7 '13 at 10:23
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