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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
... be what you want.
example:
try {
user.loc.lat.doSomething();
} catch(error) {
//report
}
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Adding hours to JavaScript Date object?
...ay = new Date();
today.setHours(today.getHours() + 4);
It will not cause error if you try to add 4 to 23 (see the docs):
If a parameter you specify is outside of the expected range, setHours() attempts to update the date information in the Date object accordingly
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Difference between single quotes and double quotes in Javascript [duplicate]
...es, double quotes, or even no quotes, without worrying about causing parse errors elsewhere.
– MatrixFrog
Sep 1 '10 at 0:02
5
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How to install pip for Python 3 on Mac OS X?
...install)"
then:
brew doctor
The last step gives you some warnings and errors that you have to resolve. One of those will be to download and install the Mac OS X command-line tools.
then:
brew install python3
This gave me python3 and pip3 in my path.
pieter$ which pip3 python3
/usr/local/bi...
Best way to parseDouble with comma as decimal separator?
...arator, in which case "1,234" would parse to 1234.0 instead of throwing an error.
– Joonas Pulakka
Dec 1 '10 at 11:11
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
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I had the same error here MacOSX 10.6.8 - it seems ruby checks to see if any directory (including the parents) in the path are world writable. In my case there wasn't a /usr/local/bin present as nothing had created it.
so I had to do
su...
Load image from url
...apFactory.decodeStream(in);
} catch (Exception e) {
Log.e("Error", e.getMessage());
e.printStackTrace();
}
return mIcon11;
}
protected void onPostExecute(Bitmap result) {
bmImage.setImageBitmap(result);
}
}
And call from your onCreate() method usi...
How to go back to previous page if back button is pressed in WebView?
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when I place your code it gives me an error for the mWebView variable since is out of the oncreate, where should I place that variable?
– zvzej
May 20 '11 at 21:12
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
...amd64. This was the problem.I have changed to default-java and no more red error.
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Convert .pfx to .cer
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"Mac verify error: invalid password?" when I tried it. I don't know any passwords, I just have the file my vendor supplied.
– Brian Knoblauch
Apr 14 '14 at 20:13
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