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Securely storing environment variables in GAE with app.yaml
...m google.appengine.ext import ndb
class Settings(ndb.Model):
name = ndb.StringProperty()
value = ndb.StringProperty()
@staticmethod
def get(name):
NOT_SET_VALUE = "NOT SET"
retval = Settings.query(Settings.name == name).get()
if not retval:
retval = Settings()
retva...
How to vertically center divs? [duplicate]
...ng with a 'display: inline-box'. The line-height of the contents can cause extra space below the inline-box, and the result is that the child is aligned slightly above centre. I am not sure what part of the html spec causes this, but I found it to be unobvious and it took a while to work out the rea...
Get class name of object as string in Swift
Getting the classname of an object as String using:
31 Answers
31
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Convert Base64 string to an image file? [duplicate]
I am trying to convert my base64 image string to an image file. This is my Base64 string:
8 Answers
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What happens to a declared, uninitialized variable in C? Does it have a value?
... x86-64 calling conventions:
%rdi is the first printf argument, thus the string "%d\n" at address 0x4005e4
%rsi is the second printf argument, thus i.
It comes from -0x4(%rbp), which is the first 4-byte local variable.
At this point, rbp is in the first page of the stack has been allocated by th...
svn: replace trunk with branch
...ations/reorganizations using svndumpfilter. There are times when a little extra work now can save a lot of extra work later, and by keeping an easy use of svndumpfilter available for future migrations/reorganizations mitigates the risk at a relatively low cost.
...
How to get POSTed JSON in Flask?
...quotes while JSON strictly requires double quotes for both the key values (strings) as string values. If you want the JSON representation, use json.dumps() with the object.
– Jochem Schulenklopper
Nov 12 '18 at 15:59
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Printing a variable memory address in swift
Is there anyway to simulate the [NSString stringWithFormat:@"%p", myVar] , from Objective-C, in the new Swift language?
15...
What is the best way to create constants in Objective-C
...declare them as static const at the top of the .m file, like so:
static NSString *const MyThingNotificationKey = @"MyThingNotificationKey";
If they pertain to a single class but should be public/used by other classes, declare them as extern in the header and define them in the .m:
//.h
extern NS...
Handling the window closing event with WPF / MVVM Light Toolkit
...cept complexity by using a more elaborate pattern with more indirection (5 extra lines of XAML plus Command pattern).
The "zero code-behind" mantra is not the goal in itself, the point is to decouple ViewModel from the View. Even when the event is bound in code-behind of the View, the ViewModel do...