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Is There a Better Way of Checking Nil or Length == 0 of a String in Ruby?
...y than the following to check to see if a string is nil OR has a length of 0 in Ruby?
16 Answers
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How to store Node.js deployment settings/configuration files?
...e';
config.redis.port = 6379;
config.web.port = process.env.WEB_PORT || 9980;
module.exports = config;
I load the config from my project:
var config = require('./config');
and then I can access my things from config.db_host, config.db_port, etc... This lets me either use hardcoded paramete...
Checking for a null int value from a Java ResultSet
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10 Answers
10
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How to include PHP files that require an absolute path?
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answered Aug 7 '08 at 4:20
Peter CoultonPeter Coulton
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error: request for member '..' in '..' which is of non-class type
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edited Mar 14 '16 at 19:50
Edward Karak
10.2k88 gold badges3939 silver badges6767 bronze badges
answere...
How to represent empty char in Java Character class
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You may assign '\u0000' (or 0).
For this purpose, use Character.MIN_VALUE.
Character ch = Character.MIN_VALUE;
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How can I add an animation to the activity finish()
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answered Jan 5 '12 at 11:40
GoofyaheadGoofyahead
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Finding what methods a Python object has
...s above and ignores exceptions.
import pandas as pd
df = pd.DataFrame([[10, 20, 30], [100, 200, 300]],
columns=['foo', 'bar', 'baz'])
def get_methods(object, spacing=20):
methodList = []
for method_name in dir(object):
try:
if callable(getattr(object, metho...
Structure padding and packing
...ress boundaries - say, int members would have offsets, which are mod(4) == 0 on 32-bit platform. Padding is on by default. It inserts the following "gaps" into your first structure:
struct mystruct_A {
char a;
char gap_0[3]; /* inserted by compiler: for alignment of b */
int b;
char...
Remove a HTML tag but keep the innerHtml
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304
$('b').contents().unwrap();
This selects all <b> elements, then uses .contents() to tar...