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What really is a deque in STL?
...ular vector of capacity 1000 with 100 elements in it at positions 0 to 99. Now when a push_Front happens you just push at the end i.e. at position 999, then 998 etc. until the two ends meet. Then you reallocate (with exponential growth to guarantee amortizet constant times) just like you would do wi...
Setting different color for each series in scatter plot on matplotlib
...
I don't know what you mean by 'manually'. You can choose a colourmap and make a colour array easily enough:
import numpy as np
import matplotlib.pyplot as plt
import matplotlib.cm as cm
x = np.arange(10)
ys = [i+x+(i*x)**2 for i in ...
Why does pthread_cond_wait have spurious wakeups?
...gt;situations where a wait times out just as a signal arrives?
> You know, I wonder if the designers of pthreads used logic like this:
> users of condition variables have to check the condition on exit anyway,
> so we will not be placing any additional burden on them if we allow
> s...
How to implement a secure REST API with node.js
...he accesstoken (value) are stored in redis with and expire time, e.g. 1h.
Now, every time the user does any operation using the rest api it will need to send the userid and the accesstoken.
If you allow the users to signup using the rest api, you'll need to create an admin account with an admin ap...
RegEx for matching UK Postcodes
...mmend taking a look at the UK Government Data Standard for postcodes [link now dead; archive of XML, see Wikipedia for discussion]. There is a brief description about the data and the attached xml schema provides a regular expression. It may not be exactly what you want but would be a good starting ...
No module named _sqlite3
...
That's good for Python 2, but pysqlite is now sqlite3 in Python 3, and you can't pip -m install that.
– clabe45
Mar 23 '18 at 23:51
6
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techniques for obscuring sensitive strings in C++
...oes an awesome job of protecting your binaries. It is often used by well known programs, such as Spotify, to protect against reverse engineering. It has features to prevent debugging in programs such as OllyDbg and Ida Pro.
There is also a larger list, maybe somewhat outdated, of tools to protect...
Why are interface variables static and final by default?
... should be static otherwise it wont be accessible at all to outside world. Now since it is static, it can hold only one value and any classes that implements it can change it and hence it will be all mess.
Hence if at all there is an interface variable, it will be implicitly static, final and obvio...
Set Additional Data to highcharts series
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I know this is an old answer, but fiddle linked no longer shows the relevant example.
– undefinedvariable
Feb 25 '13 at 17:15
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Get next / previous element using JavaScript?
...e a collection.
var divs = document.getElementsByTagName("div");
//divs now contain each and every div element on the page
var selectionDiv = document.getElementById("MySecondDiv");
So basically with selectionDiv iterate through the collection to find its index, and then obviously -1 = previous...