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When should I use Write-Error vs. Throw? Terminating vs. non-terminating errors
...It does not stop a pipeline or a loop from continuing. Throw on the other hand produces what is called a terminating error. If you use throw, the pipeline and/or current loop will be terminated. In fact all execution will be terminated unless you use a trap or a try/catch structure to handle the ter...
What is the preferred Bash shebang?
...n/env bash for portability: different *nixes put bash in different places, and using /usr/bin/env is a workaround to run the first bash found on the PATH. And sh is not bash.
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How to trim whitespace from a Bash variable?
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Let's define a variable containing leading, trailing, and intermediate whitespace:
FOO=' test test test '
echo -e "FOO='${FOO}'"
# > FOO=' test test test '
echo -e "length(FOO)==${#FOO}"
# > length(FOO)==16
How to remove all whitespace (denoted by [:space:] in tr):
F...
In Typescript, How to check if a string is Numeric
...9BX9') // NaN
You can also use the unary plus operator if you like shorthand:
+'1234' // 1234
+'9BX9' // NaN
Be careful when checking against NaN (the operator === and !== don't work as expected with NaN). Use:
isNaN(maybeNumber) // returns true if NaN, otherwise false
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iPhone Simulator - Simulate a slow connection?
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awesome just tried that out and it does the business. Thanks!
– Max MacLeod
Apr 17 '12 at 14:00
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.NET Format a string with fixed spaces
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The first and the last, at least, are possible using the following syntax:
String.Format("{0,20}", "String goes here");
String.Format("{0,-20}", "String goes here");
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Android SharedPreference security
...as the creating app would be able to access them (this is not usually done and you need to take specific action to make two apps runs with the same UID, so this is probably not a big concern). Finally, if someone was able to mount your device's filesystem without using the installed Android OS, they...
Is Mono ready for prime time? [closed]
... Mono runtime, or is it really, really compatible enough to just take of and run already written code for Microsoft's runtime?
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VS2012 return to a normal TFS checkin window?
... in VS2010. It now seems to take over the team explorer tab in my sidebar, and buries the important things - like which files I've changed. Is there any way to return to a normal popup window for check-ins in VS2012?
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Cannot get to $rootScope
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@vojta But what if I need to pass parameter from outside and use it in config ? say root path within asp.net app ? I just don't want to use global variables and wanted to use ng-init='root:<%= myroot %>' and use root value into module.config.
– vittore
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