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How to pass password to scp?
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>> brew info sshpass Error: No available formula with the name "sshpass" We won't add sshpass because it makes it too easy for novice SSH users to ruin SSH's security. ;)
– Lukas N.P. Egger
Oct 16 '18 at 2...
Easiest way to open a download window without navigating away from the page
... for this solution, but I found a bug if removeChild(a) the zip will unzip error with zip is broken, so remove this code solve it
– Roy
Sep 18 '17 at 3:16
2
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C# How can I check if a URL exists/is valid?
...om/silly");
}
You would try/catch around the DownloadString to check for errors; no error? It exists...
With C# 2.0 (VS2005):
private bool headOnly;
public bool HeadOnly {
get {return headOnly;}
set {headOnly = value;}
}
and
using(WebClient client = new MyClient())
{
// code as ...
Manually raising (throwing) an exception in Python
...tically fits your issue.
Be specific in your message, e.g.:
raise ValueError('A very specific bad thing happened.')
Don't raise generic exceptions
Avoid raising a generic Exception. To catch it, you'll have to catch all other more specific exceptions that subclass it.
Problem 1: Hiding bugs
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Global variables in AngularJS
I have a problem where i'm initialising a variable on the scope in a controller. Then it gets changed in another controller when a user logs in. This variable is used to control things such as the navigation bar and restricts access to parts of the site depending on the type of user, so its importan...
Copying files from Docker container to host
I'm thinking of using Docker to build my dependencies on a Continuous Integration (CI) server, so that I don't have to install all the runtimes and libraries on the agents themselves.
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Are nested span tags OK in XHTML?
Will this validate in XHTML?
3 Answers
3
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typeof !== “undefined” vs. != null
...have been declared before:
if(typeof neverDeclared === "undefined") // no errors
if(neverDeclared === null) // throws ReferenceError: neverDeclared is not defined
share
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improve this answer
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Android Studio 0.4 Duplicate files copied in APK META-INF/LICENSE.txt
... following code to project/app/build.gradle:
android {
// Fixed build error : Duplicate files copied in APK META-INF/xxx
packagingOptions {
exclude 'META-INF/DEPENDENCIES'
exclude 'META-INF/NOTICE'
exclude 'META-INF/LICENSE'
exclude 'META-INF/NOTICE.txt'
...
Check if bash variable equals 0 [duplicate]
...ro), but it requires two arguments. That is why you get the unary operator error message.
EDIT: As Doktor J mentioned in his comment to this answer, a safe way to avoid problems with unset variables in checks is to enclose the variables in "". See his comment for the explanation.
if [ "$depth" -e...