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How can I pad an int with leading zeros when using cout
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This answer pointed me in the right direction but it could be improved. To actually use this code, you will need to include <iostream> and <iomanip> at the top of your file, and you will need to write using namespace std;, but that'...
runOnUiThread vs Looper.getMainLooper().post in Android
Can anyone tell me if there's any difference between using runOnUiThread() versus Looper.getMainLooper().post() to execute a task on the UI thread in Android??
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How to inherit constructors?
Imagine a base class with many constructors and a virtual method
14 Answers
14
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Sqlite: CURRENT_TIMESTAMP is in GMT, not the timezone of the machine
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I found on the sqlite documentation (https://www.sqlite.org/lang_datefunc.html) this text:
Compute the date and time given a unix
timestamp 1092941466, and compensate
for your local timezone.
SELECT datetime(1092941466, 'unixepoch', 'localti...
Convert a list of characters into a string
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Use the join method of the empty string to join all of the strings together with the empty string in between, like so:
>>> a = ['a', 'b', 'c', 'd']
>>> ''.join(a)
'abcd'
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PHP foreach loop key value
I am running this DB call to get me multi-dimensional array
I am trying to get the keys of each but when I try it comes up blank or as array.
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applicationWillEnterForeground vs. applicationDidBecomeActive, applicationWillResignActive vs. appli
Which is the proper delegate to implement when an application is waking up from being in the background and you want it to prep it to be active?
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When do we need curly braces around shell variables?
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Curly braces are also unconditionally required when:
expanding array elements, as in ${array[42]}
using parameter expansion operations, as in ${filename%.*} (remove extension)
expanding positional parameters beyond 9: "$8 $9 ${10} ${11}"
Doing this everywhere, instead of just in potentially amb...
How do I download a binary file over HTTP?
...ay is the platform-specific solution:
#!/usr/bin/env ruby
`wget http://somedomain.net/flv/sample/sample.flv`
Probably you are searching for:
require 'net/http'
# Must be somedomain.net instead of somedomain.net/, otherwise, it will throw exception.
Net::HTTP.start("somedomain.net") do |http|
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Difference between View and table in sql
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A table contains data, a view is just a SELECT statement which has been saved in the database (more or less, depending on your database).
The advantage of a view is that it can join data from several tables thus creating a new view of it. Say you have a database with salaries...