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E731 do not assign a lambda expression, use a def
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@Julian Apart from def and lambda one could also use functools.partial: f = partial(operator.add, offset) and then a = list(map(f, simple_list)).
– Georgy
Nov 18 '18 at 18:33
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Inspecting standard container (std::map) contents with gdb
... Thanks for the link; the only thing is that macros are dependent from the stl libraries version, which I'd prefer to avoid. +1
– Paolo Tedesco
Jan 9 '09 at 10:41
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How to save a dictionary to a file?
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@Gulzar from what I looked up, np.load returns an ndarray (doing a type(read_dictionary) reveals so) and .item() basically converts that element to a python scalar object which is a dictionary as stated here
– a...
How do I scroll the UIScrollView when the keyboard appears?
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The recommended way from Apple is to change the contentInset of the UIScrollView. It is a very elegant solution, because you do not have to mess with the contentSize.
Following code is copied from the Keyboard Programming Guide, where the handl...
How to get time difference in minutes in PHP
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Subtract the past most one from the future most one and divide by 60.
Times are done in Unix format so they're just a big number showing the number of seconds from January 1, 1970, 00:00:00 GMT
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C libcurl get output into a string
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From reading the manual here: http://curl.haxx.se/libcurl/c/curl_easy_setopt.html I think you need several calls to CURL_SETOPT, the first being the URL you want to process, the second being something like:
curl_easy_setopt(...
PHP filesize MB/KB conversion [duplicate]
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Here is a sample:
<?php
// Snippet from PHP Share: http://www.phpshare.org
function formatSizeUnits($bytes)
{
if ($bytes >= 1073741824)
{
$bytes = number_format($bytes / 1073741824, 2) . ' GB';
}
elseif (...
Reading/parsing Excel (xls) files with Python
...with Pandas using ExcelFile function, but it did not work properly for me. From here I found the read_excel function which works just fine:
import pandas as pd
dfs = pd.read_excel("your_file_name.xlsx", sheet_name="your_sheet_name")
print(dfs.head(10))
P.S. You need to have the xlrd installed for...
How to add an object to an array
...'e', 'f']
// y = ['d', 'e', 'f'] (remains unchanged)
Create a new array from the contents of two arrays
var x = ['a', 'b', 'c'];
var y = ['d', 'e', 'f'];
var z = x.concat(y);
// x = ['a', 'b', 'c'] (remains unchanged)
// y = ['d', 'e', 'f'] (remains unchanged)
// z = ['a', 'b', 'c', 'd', 'e', ...
how to stop browser back button using javascript
I am doing an online quiz app in php. I want to restrict the user from going back in an exam.
I have tried the following script but it stops my timer.
What should I do?
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