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Where is debug.keystore in Android Studio
... go to "signing" and select your default or any keystore you want and fill all the details. In case you are not able to fill the details, hit the green '+' button. I've highlighted in the screenshot.
Step 2) VERY IMPORTANT: Goto Build Types> select your build type and select your "Signing Config...
How to specify the default error page in web.xml?
... 2.5, there's no other way than specifying every common HTTP error individually. You need to figure which HTTP errors the enduser could possibly face. On a barebones webapp with for example the usage of HTTP authentication, having a disabled directory listing, using custom servlets and code which ca...
How to perform runtime type checking in Dart?
...ype get runtimeType;
}
Usage:
Object o = 'foo';
assert(o.runtimeType == String);
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How to format time since xxx e.g. “4 minutes ago” similar to Stack Exchange sites
The question is how to format a JavaScript Date as a string stating the time elapsed similar to the way you see times displayed on Stack Overflow.
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Converting a column within pandas dataframe from int to string
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@DmitryKonovalov in python strings are immutable, so whenever you manipulating the data, you have to put the result back in to the variable.
– Sriram Arvind Lakshmanakumar
Jan 10 '19 at 10:36
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Strange SQLAlchemy error message: TypeError: 'dict' object does not support indexing
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You have to give %% to use it as % because % in python is use as string formatting so when you write single % its assume that you are going to replace some value with this.
So when you want to place single % in string with query allways place double %.
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Measure elapsed time in Swift
...Project Euler problems in Swift
As of Swift 3, there is now a version of Grand Central Dispatch that is "swiftified". So the correct answer is probably to use the DispatchTime API.
My function would look something like:
// Swift 3
func evaluateProblem(problemNumber: Int, problemBlock: () -> Int) ...
How to get the IP address of the server on which my C# application is running on?
...only thing I would change would be to change this:
if (ip.AddressFamily.ToString() == "InterNetwork")
to this:
if (ip.AddressFamily == AddressFamily.InterNetwork)
There is no need to ToString an enumeration for comparison.
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Best practice for storing and protecting private API keys in applications [closed]
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As it is, your compiled application contains the key strings, but also the constant names APP_KEY and APP_SECRET. Extracting keys from such self-documenting code is trivial, for instance with the standard Android tool dx.
You can apply ProGuard. It will leave the key strings un...
CSS transition shorthand with multiple properties?
...n: height 0.3s ease-out, opacity 0.3s ease 0.5s;
Or just transition them all:
-webkit-transition: all 0.3s ease-out;
-moz-transition: all 0.3s ease-out;
-o-transition: all 0.3s ease-out;
transition: all 0.3s ease-out;
Here is a straightforward example. Here is another one with the delay propert...