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File.separator vs FileSystem.getSeparator() vs System.getProperty(“file.separator”)?
...) that had a separator character of ":" and you had a machine with 2 partitions, one in NTFS and one in BringerFS, this functionality would allow you to use both (assuming I also wrote a Java Filesystem provider).
– Bringer128
Nov 10 '11 at 6:05
...
Compare two DataFrames and output their differences side-by-side
...d the second the columns which has been changed.
In [27]: difference_locations = np.where(df1 != df2)
In [28]: changed_from = df1.values[difference_locations]
In [29]: changed_to = df2.values[difference_locations]
In [30]: pd.DataFrame({'from': changed_from, 'to': changed_to}, index=changed.inde...
iOS app error - Can't add self as subview
...away, and bad things happen if you do another push or pop before the animation completes. You can easily test whether this is indeed the case by temporarily changing your Push and Pop operations to Animated:NO (so that they complete synchronously) and seeing if that eliminates the crash.
If this is ...
Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...s, Webworkers and Threads (thread-a-gogo). Now which one to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed!
...
Why shouldn't I use mysql_* functions in PHP?
...esn't support:
Non-blocking, asynchronous queries
Prepared statements or parameterized queries
Stored procedures
Multiple Statements
Transactions
The "new" password authentication method (on by default in MySQL 5.6; required in 5.7)
Any of the new functionality in MySQL 5.1 or later
Since it is...
Check to see if a string is serialized?
...izing Pascal MARTIN's response
/**
* Check if a string is serialized
* @param string $string
*/
public static function is_serial($string) {
return (@unserialize($string) !== false);
}
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Convert a JSON String to a HashMap
...
try this code :
Map<String, String> params = new HashMap<String, String>();
try
{
Iterator<?> keys = jsonObject.keys();
while (keys.hasNext())
{
...
Eliminate extra separators below UITableView
...
Interface builder (iOS 9+)
Just drag a UIView to the table. In storyboard, it will sit at the top below your custom cells. You may prefer to name it "footer".
Here it is shown in green for clarity, you'd probably want clear color.
Note tha...
What happens to my apps after my developer account membership expires? [closed]
...r available on the app store! Hope the app is still available on the provisioning portal.
– ultravelocity
Jun 7 '11 at 1:57
3
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Pointers vs. values in parameters and return values
...compile time. They sometimes accept a pointer to a slice in an interface{} parameter.
Maps, channels, strings, and function and interface values, like slices, are internally references or structures that contain references already, so if you're just trying to avoid getting the underlying data copi...