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Xcode without Storyboard and ARC
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Single vs Double quotes (' vs ")
...es I'm writing code in PHP code where I would prefer the echo's use "'s in order to allow parsing. Any html attributes within this echo is more readable if using ''s. Sure it's not consistent, but it's much easier without all the backslashes.
– timetofly
Mar 15...
matplotlib Legend Markers Only Once
...: I had not seen that. My mistake. You should also highlight it as code in order to make it more visible.
– Marcos Alex
Mar 7 '14 at 8:41
2
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From an array of objects, extract value of a property as array
...ence _.map(), also allow you to provide a dot-separated string or array in order to access sub-properties:
var objArray = [
{
someProperty: { aNumber: 5 }
},
{
someProperty: { aNumber: 2 }
},
{
someProperty: { aNumber: 9 }
}
];
var result = _.map(objA...
How do I use boolean variables in Perl?
... native boolean type, but you can use comparison of integers or strings in order to get the same behavior. Alan's example is a nice way of doing that using comparison of integers. Here's an example
my $boolean = 0;
if ( $boolean ) {
print "$boolean evaluates to true\n";
} else {
print "$boo...
How do I get LaTeX to hyphenate a word that contains a dash?
... MWE, it will hypenate too much. Just set \setlength{\textwidth}{0.1cm} in order to try that.
– LaRiFaRi
Jul 30 '14 at 10:57
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What does the ??!??! operator do in C?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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NumPy or Pandas: Keeping array type as integer while having a NaN value
...that has NA converting to the new 'Int64' dtype will give you an error. In order to solve this you have to round the numbers and then do ".astype('Int64')"
s1 = pd.Series([1.434, 2.343, np.nan])
#without round() the next line returns an error
s1.astype('Int64')
#cannot safely cast non-equivalent f...
What is the purpose of base 64 encoding and why it used in HTTP Basic Authentication?
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Encryption requires a key (string or algorithm) in order to decrypt; hence the "crypt" (root:cryptography)
Encoding modifies/shifts/changes a character code into another. In this case, usual bytes of data can now be easily represented and transported using HTTP.
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Stopping an Android app from console
...I've resorted to a broadcast message receiver I've added to my activity in order to stop it.
public class TestActivity extends Activity {
private static final String STOP_COMMAND = "com.example.TestActivity.STOP";
private BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
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