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ValueError: invalid literal for int() with base 10: ''
...for line in h:
if line.strip():
[int(next(h).strip()) for _ in range(4)] # list of integers
This way it processes 5 lines at the time. Use h.next() instead of next(h) prior to Python 2.6.
The reason you had ValueError is because int cannot convert an empty string to the integer. I...
“CASE” statement within “WHERE” clause in SQL Server 2008
...ll always be positive. So, making LEN('TestPerson') > 0 will reduce the range needed to be compared
– Satyajit
Nov 10 '14 at 8:30
...
How to simulate a touch event in Android?
...art = (x1, y)
end = (x2, y)
duration = 0.2
steps = 2
pause = 0.2
for i in range(1, 250):
# Every so often inject a touch to spice things up!
if i % 9 == 0:
device.touch(x2, y, 'DOWN_AND_UP')
MonkeyRunner.sleep(pause)
# Swipe right
device.drag(start, end, duration, st...
Convert a character digit to the corresponding integer in C
...like this:
int i = c - '0';
The C Standard guarantees each digit in the range '0'..'9' is one greater than its previous digit (in section 5.2.1/3 of the C99 draft). The same counts for C++.
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How do I remove the first characters of a specific column in a table?
...ty2%' and abstract not like '%The County3%') and activityid in (12345, ... range of id's ... 56789)
– dcparham
Jun 21 '18 at 17:24
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Regular expression to find URLs within a string
...ace. \w may not match international symbols (depends on regex engine), the range is needed instead: a-zA-Z0-9\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF.
– Michael Antipin
Aug 29 '17 at 13:34
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How to fix Python indentation
...
*:ret* *:retab*
:[range]ret[ab][!] [new_tabstop]
Replace all sequences of white-space containing a
<Tab> with new strings of white-space using the new
tabstop value ...
How can I iterate over files in a given directory?
...ed in arbitrary order. No tilde expansion is done, but *, ?, and character ranges expressed with [] will be correctly matched.
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PHP and Enumerations
...ther notes, here's an expanded example which may better serve a much wider range of cases:
abstract class BasicEnum {
private static $constCacheArray = NULL;
private static function getConstants() {
if (self::$constCacheArray == NULL) {
self::$constCacheArray = [];
...
How do I create a simple 'Hello World' module in Magento?
...there in the SQL tables, but it's best not to think of grabbing data using raw SQL queries, or you'll go mad.
Final disclaimer. I've been using Magento for about two or three weeks, so caveat emptor. This is an exercise to get this straight in my head as much as it is to help Stack Overflow.
Crea...