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JavaScript isset() equivalent
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the problem with this is that you get an error when you try to check deeper properties, for example: obj.thisdoesntexist.foo !== undefined. In PHP you can use isset or empty and safely at any deep.
– Enrique
Aug 21 '11 at 16:35...
android.view.InflateException: Binary XML file: Error inflating class fragment
I have a very frustrating error that I cannot explain. I created an Android application that uses Android AppCompat to make it compatible with older versions. Here is my main activity layout file:
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The required anti-forgery form field “__RequestVerificationToken” is not present Error in user Regis
I am using Membership.create user function, then the following error is occurring,
19 Answers
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How can I convert a std::string to int?
...ing);
ss >> thevalue;
To be fully correct you'll want to check the error flags.
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Is returning null bad design? [closed]
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The idea here is that on error, you return an empty/blank version of whatever object type you would return normally. An empty array or string would work for those cases, for instance. Returning "NULL" is appropriate when you would normally return a...
IntelliJ IDEA shows errors when using Spring's @Autowired annotation
IntelliJ IDEA is showing errors when I use Spring's @Autowired annotation in the class, but the class is functioning without any problem.
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How can I have grep not print out 'No such file or directory' errors?
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You can use the -s or --no-messages flag to suppress errors.
-s, --no-messages suppress error messages
grep pattern * -s -R -n
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
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@Vincent what's the Protractor users issue then if this error occurs?
– Bruno Bieri
Nov 22 '18 at 13:17
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Idiomatic way to wait for multiple callbacks in Node.js
...readFile("file.json", function (err, val) {
if (err) {
console.error("unable to read file");
}
else {
try {
val = JSON.parse(val);
console.log(val.success);
}
catch (e) {
console.error("invalid json in file");
}
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How to send a stacktrace to log4j?
...directly to the logger, e.g.
try {
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} catch (Exception e) {
log.error( "failed!", e );
}
It's up to log4j to render the stack trace.
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