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How to get the last character of a string in a shell?
...he reasons why you need to quote your variables:
echo "${str:$i:1}"
Otherwise, bash expands the variable and in this case does globbing before printing out. It is also better to quote the parameter to the script (in case you have a matching filename):
sh lash_ch.sh 'abcde*'
Also see the order of e...
Determine if the device is a smartphone or tablet? [duplicate]
...
This subject is discussed in the Android Training:
Use the Smallest-width Qualifier
If you read the entire topic, they explain how to set a boolean value in a specific value file (as res/values-sw600dp/attrs.xml):
<resour...
When should I use double or single quotes in JavaScript?
...The most likely reason for use of single vs. double in different libraries is programmer preference and/or API consistency. Other than being consistent, use whichever best suits the string.
Using the other type of quote as a literal:
alert('Say "Hello"');
alert("Say 'Hello'");
This can get complica...
The request was aborted: Could not create SSL/TLS secure channel
...e are unable to connect to an HTTPS server using WebRequest because of this error message:
41 Answers
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Java's final vs. C++'s const
The Java for C++ programmers tutorial says that (highlight is my own):
11 Answers
11...
What is the best scripting language to embed in a C# desktop application? [closed]
... object model to a scripting langauge. Time was when that meant VBA (which is still an option), but the managed code derivative VSTA (I think) seems to have withered on the vine.
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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
I want to create a database which does not exist through JDBC. Unlike MySQL, PostgreSQL does not support create if not exists syntax. What is the best way to accomplish this?
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Remove columns from dataframe where ALL values are NA
I'm having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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String replacement in java, similar to a velocity template
Is there any String replacement mechanism in Java, where I can pass objects with a text, and it replaces the string as it occurs.
For example, the text is :
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Is there a good tutorial on MSBuild scripts? [closed]
...eed to create a build script; a build script that I can trigger from my cruisecontrol server. Since nant has not been maintained for ages, I figure that MSBuild is the way to go.
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