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Best way to create unique token in Rails?
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-- Update --
As of January 9th, 2015. the solution is now implemented in Rails 5 ActiveRecord's secure token implementation.
-- Rails 4 & 3 --
Just for future reference, creating safe random token and ensuring it's uniqueness for the model (when using Ruby 1.9 and ActiveR...
Generate .pem file used to set up Apple Push Notifications
...wnload" button to download the certificate (.cer file) you've created just now. - Double click the downloaded file to install the certificate into Keychain Access on your Mac.
Step 7: On your Mac, go to "Keychain", look for the certificate you have just installed. If unsure which certificate is the...
Ruby optional parameters
...s = nil)
scope ||= LDAP::LDAP_SCOPE_SUBTREE
... do something ...
end
Now if you call the method as above, the behaviour will be as you expect.
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Changing ImageView source
...ble.monkey));
*** With new android API 22 getResources().getDrawable() is now deprecated. This is an example how to use now:
myImgView.setImageDrawable(getResources().getDrawable(R.drawable.monkey, getApplicationContext().getTheme()));
and how to validate for old API versions:
if (Build.VERSION.SD...
How to write a Python module/package?
... tasks at work and never really bothered packaging them for others to use. Now I have been assigned to make a Python wrapper for a REST API. I have absolutely no idea on how to start and I need help.
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Convert LocalDate to LocalDateTime or java.sql.Timestamp
...ttribute(Timestamp ts) {
return ts.toLocalDateTime();
}
}
So now it is relative timezone independent time.
Additionally it is easy do:
LocalDate ld = ldt.toLocalDate();
LocalTime lt = ldt.toLocalTime();
Formatting:
DateTimeFormatter DATE_TME_FORMATTER = DateTimeFormatter.ofPat...
What is the difference between a shim and a polyfill?
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Shim
If you are familiar with the adapter pattern, then you know what a shim is. Shims intercepts API calls and creates an abstract layer between the caller and the target. Typically shims are used for backward compability. For instance the es5-shim npm package will let you write ECMAS...
I lost my .keystore file?
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Now it is possible don't worry, here is the full and final steps to reset .JKS file.
Step-1
Download the UPLOAD CERTIFICATE (file name - upload_cert.der) from your Google Play Store Console
Step-2
Go to this LINK http...
Intellij IDEA crashed, and now throws an error
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In idea 13, the "cache" directory is now "caches" - removing everything in there still works.
– Yann
Nov 6 '15 at 14:35
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How does `is_base_of` work?
...tness anymore. In an ordinary overload resolution scenario, the call would now be ambiguous because normally the return type won't participate in overload resolution. For conversion functions, however, there is a backdoor. If two conversion functions are equally good, then the return type of them de...