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How can strings be concatenated?
...s of concatenating strings are:
join():
Very efficent, but a bit hard to read.
>>> Section = 'C_type'
>>> new_str = ''.join(['Sec_', Section]) # inserting a list of strings
>>> print new_str
>>> 'Sec_C_type'
String formatting:
Easy to read and in most ca...
How to use index in select statement?
...question you have to specify the DB you are using.
For MySQL, you want to read the Index Hint Syntax documentation on how to do this
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Best data type to store money values in MySQL
...Not being an accountant... but running a small biz in the UK... I remember reading somewhere a long time ago that currency figures should be stored to 4 decimals even for £, $, etc. so that certain calculations might actually use the last 2 decimal places for certain obscure accounting contexts. W...
How do I get the full path to a Perl script that is executing?
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This is really the best solution, especially if you already have a modified $0
– Caterham
Jan 8 '12 at 1:04
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Create an empty object in JavaScript with {} or new Object()?
...sing new Object(); - whereas {}; can make your code more compact, and more readable.
For defining empty objects they're technically the same. The {} syntax is shorter, neater (less Java-ish), and allows you to instantly populate the object inline - like so:
var myObject = {
title: 'Frog'...
Setting Authorization Header of HttpClient
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@lacripta, This is true but if you read the last 2 sentence I say its best practice to reuse HttpClient for exactly this reason but I think it is out of scope for this question.
– Florian Schaal
Aug 13 '18 at 16:40
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iFrame src change event detection?
...ocation.href is available for other domains, but only for writing. However reading this.contentWindow.location.href is limited to the same domain.
– wadim
Mar 4 '15 at 11:17
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Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
Use ffmpeg to add text subtitles [closed]
...player. This is different to adding them as a subtitle stream which can be read by the player and displayed if the viewer wants them.
– stib
Nov 14 '14 at 9:03
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How to add manifest permission to an application?
...ion.CALL_PHONE" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:...