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How to create an array for JSON using PHP?
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I have this code while($row=mysql_fetch_assoc($query_insert)) { $control=array('regione'=>$row["regione"],'totale'=>$row["prezzi"]); } print (json_encode(%control)); but retun {"regione":"Puglia","totale":"5.15"} not [{..},{..}]
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IIS Express Windows Authentication
...ese great answers, in the context of an IISExpress dev environment, and in order to thwart the infamous "system.web/identity@impersonate" error, you can simply ensure the following setting is in place in your applicationhost.config file.
<configuration>
<system.webServer>
&l...
What is the most efficient way to concatenate N arrays?
...further to
a.push(...b)
However, it seems that for large arrays (of the order of 100,000 members or more), the technique passing an array of elements to push (either using apply() or the ECMAScript 2015 spread operator) can fail. For such arrays, using a loop is a better approach. See https://sta...
How to generate serial version UID in Intellij
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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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Transpose a data frame
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# transpose
t_mtcars <- transpose(mtcars)
# get row and colnames in order
colnames(t_mtcars) <- rownames(mtcars)
rownames(t_mtcars) <- colnames(mtcars)
share
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improve this answer
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Difference between Java Enumeration and Iterator
...that the 'old' collection implementations in java.util (HashSet, ArrayList etc.) exhibit this behaviour. However, the newer 'concurrent' collections will never throw a ConcurrentModificationException, they will traverse the collection as of the time of creation of the iterator. Other implementations...
How do I add multiple arguments to my custom template filter in a django template?
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This was the correct answer for my issue. In order to pass a template variable into this function, I had to use a simple_tag.
– Furbeenator
Jan 13 '15 at 19:11
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Get the first element of an array
...$array));
In O(1):
array_pop(array_reverse($array));
Other use cases, etc...
If modifying (in the sense of resetting array pointers) of $array is not a problem, you might use:
reset($array);
This should be theoretically more efficient, if a array "copy" is needed:
array_shift(array_slice($...
Replace all elements of Python NumPy Array that are greater than some value
... 0, 255, arr)
(the out= name is optional since the arguments in the same order as the function's definition.)
For in-place modification, the boolean indexing speeds up a lot (without having to make and then modify the copy separately), but is still not as fast as minimum:
In [328]: %%timeit
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How to display long messages in logcat
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In order not to minimize splitting lines across log messages, I take the large string and log each line separately.
void logMultilineString(String data) {
for (String line : data.split("\n")) {
logLargeString(line);...