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Difference between Label and TextBlock
... control. It derives directly from FrameworkElement. Label, on the other hand, derives from ContentControl. This means that Label can:
Be given a custom control template (via the Template property).
Display data other than just a string (via the Content property).
Apply a DataTemplate to its cont...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
... re-used for multiple calls. Even across multiple threads.
The HttpClientHandler has Credentials and Cookies that are intended to be re-used across calls. Having a new HttpClient instance requires re-setting up all of that stuff.
Also, the DefaultRequestHeaders property contains properties that ar...
find -exec with multiple commands
I am trying to use find -exec with multiple commands without any success. Does anybody know if commands such as the following are possible?
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Getting a slice of keys from a map
... It's slightly better to set the actual size instead of capacity and avoid append altogether. See my answer for details.
– Vinay Pai
Jan 8 '15 at 19:37
3
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Split a vector into chunks in R
...along(d)/20))
More details: I think all you need is seq_along(), split() and ceiling():
> d <- rpois(73,5)
> d
[1] 3 1 11 4 1 2 3 2 4 10 10 2 7 4 6 6 2 1 1 2 3 8 3 10 7 4
[27] 3 4 4 1 1 7 2 4 6 0 5 7 4 6 8 4 7 12 4 6 8 4 2 7 6 5
[53] 4 5 ...
How to prettyprint a JSON file?
...
]
To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
parsed = json.load(handle)
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How do I convert Long to byte[] and back in java
How do I convert a long to a byte[] and back in Java?
12 Answers
12
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Recursively add the entire folder to a repository
I am trying to add a branch to the master branch on GitHub and push a folder onto that branch.
15 Answers
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How do I get the current date in JavaScript?
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Use new Date() to generate a new Date object containing the current date and time.
var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); //January is 0!
var yyyy = today.getFullYear();
today = mm + '/' + dd + '...
Accessing elements of Python dictionary by index
...>> mydict["Apple"]
{'American': '16', 'Mexican': 10, 'Chinese': 5}
And getting how many of them are American (16), do like this:
>>> mydict["Apple"]["American"]
'16'
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