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Get JSON object from URL
...o $obj['access_token']; Fatal error: Cannot use object of type stdClass as array in F:\wamp\www\sandbox\linkedin\test.php on line 22
– user2199343
Mar 25 '13 at 14:39
1
...
How do I find where an exception was thrown in C++?
...m "
<< caller_address << std::endl;
void * array[50];
int size = backtrace(array, 50);
std::cerr << __FUNCTION__ << " backtrace returned "
<< size << " frames\n\n";
// overwrite sigaction with caller's address
a...
Angular ng-repeat Error “Duplicates in a repeater are not allowed.”
..., very easy to miss this issue during development and testing because your array never contained duplicates, only to have your app explode in production when it gets exposed to dupes for the first time. I've built Angular apps before without knowing about the "no dupes" restriction; I now find mysel...
How do I parse JSON with Objective-C?
...jsonError];
for (int i=0; i<[allKeys count]; i++) {
NSDictionary *arrayResult = [allKeys objectAtIndex:i];
NSLog(@"name=%@",[arrayResult objectForKey:@"storyboardName"]);
}
file:
[
{
"ID":1,
"idSort" : 0,
"deleted":0,
"storyboardName" : "MLMember",
"dispalyTitle" : "76....
How can I check if a URL exists via PHP?
...}
$headers = @get_headers($url);
if($headers && is_array($headers)){
if($followredirects){
// we want the last errorcode, reverse array so we start at the end:
$headers = array_reverse($headers);
}
foreach($h...
How to check if mod_rewrite is enabled in php?
...ou're using mod_php, you can use apache_get_modules(). This will return an array of all enabled modules, so to check if mod_rewrite is enabled, you could simply do
in_array('mod_rewrite', apache_get_modules());
Unfortunately, you're most likely trying to do this with CGI, which makes it a little ...
Drop columns whose name contains a specific string from pandas DataFrame
...
import pandas as pd
import numpy as np
array=np.random.random((2,4))
df=pd.DataFrame(array, columns=('Test1', 'toto', 'test2', 'riri'))
print df
Test1 toto test2 riri
0 0.923249 0.572528 0.845464 0.144891
1 0.020438 0.332540 0.144455 ...
Only variables should be passed by reference
...quires a reference, because it modifies the internal representation of the array (i.e. it makes the current element pointer point to the last element).
The result of explode('.', $file_name) cannot be turned into a reference. This is a restriction in the PHP language, that probably exists for simpl...
JavaScript hashmap equivalent
...t. On average it will take n/2 comparisons.
Ordered.
Example #1: a sorted array — doing a binary search we will find our key after ~log2(n) comparisons on average. Much better.
Example #2: a tree. Again it'll be ~log(n) attempts.
Hash table. On average, it requires a constant time. Compare: O(n...
How to smooth a curve in the right way?
...ion does not seem to look "deeper" to see that this is actually a tuple of arrays each of size m, for m data points)
– Chris K
Apr 16 at 9:51
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