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Changing a specific column name in pandas DataFrame
I was looking for an elegant way to change a specified column name in a DataFrame .
9 Answers
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Eclipse cannot load SWT libraries
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I'll prefer this method as I have to use Oracle Java 7 for a project
– rojanu
Apr 27 '12 at 19:41
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Unique BooleanField value in Django?
...needed to accomplish this task, what I've done is override the save method for the model and have it check if any other model has the flag already set (and turn it off).
class Character(models.Model):
name = models.CharField(max_length=255)
is_the_chosen_one = models.BooleanField()
def...
How to get the name of the calling method?
.... In Rails controller this returns "block in make_lambda". I guess this is for Ruby only.
– dcangulo
Nov 14 '18 at 4:59
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JNI converting jstring to char *
...d with some magic, but that is best avoided; it is probably declared const for a reason. The correct response to your problem is to strcpy from the const char* into a char*. That should provide you with the mutable char* that you want.
– Loduwijk
Jun 20 '17 at ...
How to set Oracle's Java as the default Java in Ubuntu?
...at if you install openjdk or other officially supported Ubuntu packages. Unfortunately, it's not supported for the Oracle JDK using the webupd8/java ppa. In fact, it's entirely unclear to me, what the oracle-java7-set-default package does.
– Melvyn
Mar 23 '14 a...
Check if an array contains any element of another array in JavaScript
... array to search.
* @param {array} arr the array providing items to check for in the haystack.
* @return {boolean} true|false if haystack contains at least one item from arr.
*/
var findOne = function (haystack, arr) {
return arr.some(function (v) {
return haystack.indexOf(v) >= 0;...
How to properly URL encode a string in PHP?
I'm making a search page, where you type a search query and the form is submitted to search.php?query=your query . What PHP function is the best and that I should use for encoding/decoding the search query?
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Accessing Object Memory Address
...nteger (or long integer)
which is guaranteed to be unique and
constant for this object during its
lifetime. Two objects with
non-overlapping lifetimes may have the
same id() value. (Implementation note:
this is the address of the object.)
So in CPython, this will be the address of the ...
Changing java platform on which netbeans runs
I am using Netbeans 6.7. I had first installed Java 1.5 before installing Netbeans. When i installed Netbeans it took Java 1.5 as the default version. Then i installed Java 1.6 on my machine. I need to change the default JDK of my netbeans to 1.6 not only to a specific project but to the whole Netbe...