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Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
... are going to load remote resources, i suggests you to insert a div with z-index: -1 and some dummy web contents. On click, move their z-index higher to overlap everything on screen.
So if we assume you load a remote resource and with all the unknown variables, we can assume the time taken to be -...
How to sort a dataframe by multiple column(s)
... 1
Edit some 2+ years later: It was just asked how to do this by column index. The answer is to simply pass the desired sorting column(s) to the order() function:
R> dd[order(-dd[,4], dd[,1]), ]
b x y z
4 Low C 9 2
2 Med D 3 1
1 Hi A 8 1
3 Hi A 9 1
R>
rather than using the name of...
How does a garbage collector avoid an infinite loop here?
...nown>:0
at System.IO.StreamWriter.Write (System.Char[] buffer, Int32 index, Int32 count) [0x00000] in <filename unknown>:0
at System.IO.CStreamWriter.Write (System.Char[] buffer, Int32 index, Int32 count) [0x00000] in <filename unknown>:0
at System.IO.CStreamWriter.Write (Sys...
Using :before CSS pseudo element to add image to modal
I have a CSS class Modal which is absolutely positioned, z-indexed above it's parent, and nicely positioned with JQuery. I want to add a caret image (^) to the top of the modal box and was looking at using the :before CSS pseudo selector to do this cleanly.
...
With arrays, why is it the case that a[5] == 5[a]?
...ed this definition from C, which got it from B (the commutativity of array indexing is explicitly mentioned in the 1972 Users' Reference to B), which got it from BCPL (manual dated 1967), which may well have gotten it from even earlier languages (CPL? Algol?).
So the idea that array indexing is def...
How does a Java HashMap handle different objects with the same hash code?
...mp; put
Time complexity is O(1), because:
Bucket is accessed via array index, thus O(1).
Linked list in each bucket is of small length, thus could view as O(1).
Tree size is also limited, because will extend capacity & re-hash when element count increase, so could view it as O(1), not O(log ...
Is there a generator version of `string.split()` in Python?
... = len(delim)
start = 0
try:
while True:
i = s.index(delim, start)
yield s[start:i]
start = i+dlen
except ValueError:
pass
yield s[start:]
def _str_split_word_ne(s, delim):
"Split the string `s` by the string `delim`, not inclu...
Convert a String In C++ To Upper Case
...plemented as a macro it will probably use a lookup table and your argument indexes into that table. A negative index will give you UB.)
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Push Notifications in Android Platform
...ud Messaging and can be found here: developer.android.com/guide/google/gcm/index.html
– Ryan Berger
Jul 9 '12 at 1:04
...
how to check the dtype of a column in python pandas
...d.Timestamp('2013-01-02'), pd.Timestamp('2016-10-20')]},
index = ['A', 'B'])
for col in df.columns:
df[col].dtype, 'is_int64 = %s' % isinstance(df.loc['A', col], np.int64)
>>> (dtype('int64'), 'is_int64 = True')
>>> (dtype('<M8[ns]'), 'is_int64 = False')
...