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How can I view array structure in JavaScript with alert()?
...ugin as follows:
alert( $.toJSON(myArray) );
This prints the array in a format like
[5, 6, 7, 11]
However, for debugging your Javascript code, I highly recommend Firebug It actually comes with a Javascript console, so you can type out Javascript code for any page and see the results. Things ...
Minimum and maximum date
...ific instant of time.
Time is measured in ECMAScript in milliseconds since 01 January, 1970 UTC. In time values leap seconds are ignored. It is assumed that there are exactly 86,400,000 milliseconds per day. ECMAScript Number values can represent all integers from –9,007,199,254,740,992 to 9,007,1...
Append values to a set in Python
...t;>> my_set = my_set | {2}
>>> my_set
{1, 2}
Or a shorter form using |=:
>>> my_set = {1}
>>> my_set |= {2}
>>> my_set
{1, 2}
Note: In versions prior to Python 2.7, use set([...]) instead of {...}.
...
Developing C# on Linux
...# applications on Linux (Ubuntu). In particular, I have to develop Windows Forms applications.
6 Answers
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How to create a bash script to check the SSH connection?
...
An even more concise form of #1: ssh -q user@downhost exit | echo $? pipe the connection result into echo
– philn5d
Nov 30 '18 at 21:22
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How to find the foreach index?
...l management (increments, etc).
A foreach will give you your index in the form of your $key value, so such a hack shouldn't be necessary.
e.g., in a foreach
$index = 0;
foreach($data as $key=>$val) {
// Use $key as an index, or...
// ... manage the index this way..
echo "Index is ...
Disable Drag and Drop on HTML elements?
...n mouse down has too many side effects (for eg preventing focus/unfocus of form text inputs)
– Jecimi
Feb 18 '16 at 18:21
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pandas: How do I split text in a column into multiple rows?
... 2:218:10:4,6 60
1 31316 Lennon, John 25 F01 1:13:36:1,12 1:13:37:1,13 300
In [44]: s = df['Seatblocks'].str.split(' ').apply(Series, 1).stack()
In [45]: s.index = s.index.droplevel(-1) # to line up with df's index
In [46]: s.name = 'Seatblocks' # needs a na...
How to create a file in Ruby
...ontent in one blast then close the file.
See the documentation for more information.
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Determine the number of NA values in a column
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This form, slightly changed from Kevin Ogoros's one:
na_count <-function (x) sapply(x, function(y) sum(is.na(y)))
returns NA counts as named int array
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