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'echo' without newline in a shell script
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There are multiple versions of the echo command, with different behaviors. Apparently the shell used for your script uses a version that doesn't recognize -n.
The printf command has much more consistent behavior. echo is fine for simple things like echo hello, but I s...
What's the best way to determine the location of the current PowerShell script?
...erShell 3, there was not a better way than querying the
MyInvocation.MyCommand.Definition property for general scripts. I had the following line at the top of essentially every PowerShell script I had:
$scriptPath = split-path -parent $MyInvocation.MyCommand.Definition
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How to determine the version of the C++ standard used by the compiler?
How do you determine what version of the C++ standard is implemented by your compiler? As far as I know, below are the standards I've known:
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When is “Try” supposed to be used in C# method names?
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This is known as the TryParse pattern and has been documented by Microsoft. The official Exceptions and Performance MSDN page says:
Consider the TryParse pattern for members that may throw exceptions in common scenarios to avoid performance problems related t...
Is jQuery “each()” function synchronous?
...avaScript is synchronous. The only exceptions are AJAX, timers (setTimeout and setInterval), and HTML5 Web Workers.
Your problem is probably somewhere else in your code.
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Pretty-Printing JSON with PHP
...a to another script. My script builds data into a large associative array, and then outputs the data using json_encode . Here is an example script:
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Best way to convert text files between character sets?
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Stand-alone utility approach
iconv -f ISO-8859-1 -t UTF-8 in.txt > out.txt
-f ENCODING the encoding of the input
-t ENCODING the encoding of the output
You don't have to specify either of these arguments. They will de...
How can I escape a double quote inside double quotes?
...done by finishing an already-opened one ('), placing the escaped one (\'), and then opening another one (').
Alternatively:
$ echo 'abc'"'"'abc'
abc'abc
$ echo "abc"'"'"abc"
abc"abc
It's done by finishing already opened one ('), placing a quote in another quote ("'"), and then opening another on...
How to Customize a Progress Bar In Android
...in which I want to show a ProgressBar , but I want to replace the default Android ProgressBar .
9 Answers
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Redis command to get all available keys?
Is there a Redis command for fetching all keys in the database? I have seen some python-redis libraries fetching them. But was wondering if it is possible from redis-client.
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