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Is there a “do … while” loop in Ruby?
...ere Matz states:
|> Don't use it please. I'm regretting this feature, and I'd like to
|> remove it in the future if it's possible.
|
|I'm surprised. What do you regret about it?
Because it's hard for users to tell
begin <code> end while <cond>
works differently from
<...
How to use HTML to print header and footer on every printed page of a document?
Is it possible to print HTML pages with custom headers and footers on each printed page?
17 Answers
...
Quick-and-dirty way to ensure only one instance of a shell script is running at a time
What's a quick-and-dirty way to make sure that only one instance of a shell script is running at a given time?
40 Answers
...
Passing arguments to C# generic new() of templated type
...le to be in an invalid state by side effects. I also like to use that Func and lambda, but I know it still is a problem in bussiness world as generally programmers don't know lambdas yet and this makes your class harder to understand.
– Tuomas Hietanen
Dec 8 '0...
matplotlib: colorbars and its text labels
... scheme
cMap = ListedColormap(['white', 'green', 'blue','red'])
#data
np.random.seed(42)
data = np.random.rand(4, 4)
fig, ax = plt.subplots()
heatmap = ax.pcolor(data, cmap=cMap)
#legend
cbar = plt.colorbar(heatmap)
cbar.ax.get_yaxis().set_ticks([])
for j, lab in enumerate(['$0$','$1$','$2$','$&g...
Select Pandas rows based on list index
...I index with data frames I always use the .ix() method. Its so much easier and more flexible...
UPDATE
This is no longer the accepted method for indexing. The ix method is deprecated. Use .iloc for integer based indexing and .loc for label based indexing.
...
PHP - Check if two arrays are equal
...
$arraysAreEqual = ($a == $b); // TRUE if $a and $b have the same key/value pairs.
$arraysAreEqual = ($a === $b); // TRUE if $a and $b have the same key/value pairs in the same order and of the same types.
See Array Operators.
EDIT
The inequality operator is != whil...
How can I get list of values from dict?
... or, alternatively [d[k] for k in d] which works for both python2.x and 3.x (Please be advised, I'm not actually suggesting that you use this). Usually you don't actually need a list of values so d.values() is just fine.
– mgilson
Apr 26 '13 at 3:45
...
How do I remedy “The breakpoint will not currently be hit. No symbols have been loaded for this docu
...e process. Locate the one you want to get debug info for. Right-click it and select Symbol Load Information. You'll get a dialog that lists all the directories where it looked for the .pdb file for the assembly. Verify that list against the actual .pdb location. Make sure it doesn't find an old...
How do you read CSS rule values with JavaScript?
...nces to be aware of:
Given the CSS:
div#a { ... }
div#b, div#c { ... }
and given InsDel's example, classes will have 2 classes in FF and 3 classes in IE7.
My example illustrates this:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-t...