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Why is it common to put CSRF prevention tokens in cookies?
...equests where the CSRF value cannot normally persist in the browser).
Consider the following scenarios and processes in a typical application for some pros and cons of each approach you describe. These are based on the Synchronizer Token Pattern.
Request Body Approach
User successfully logs in.
...
Does pandas iterrows have performance issues?
... is handled internally by pandas, though it depends on what is going on inside the apply expression. For example, df.apply(lambda x: np.sum(x)) will be executed pretty swiftly, though of course, df.sum(1) is even better. However something like df.apply(lambda x: x['b'] + 1) will be executed in Pytho...
A semantics for Bash scripts?
...root of the shell's syntax comes from its upbringing as a mishmash of individual UNIX utilities. Most of what are often builtins in the shell can actually be implemented as external commands. It throws many shell neophytes for a loop when they realize that /bin/[ exists on many systems.
$ if '/bin/...
Adding an onclick function to go to url in JavaScript?
...on"
onclick="location.href='@Url.Action("MyAction", "MyController", new { id = 1 })'" />
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How and/or why is merging in Git better than in SVN?
...ing and merge worked in Subversion a while ago. Subversion prior to 1.5.0 didn't store any information about when branches were merged, thus when you wanted to merge you had to specify which range of revisions that had to be merged.
So why did Subversion merges suck?
Ponder this example:
1 ...
Android Studio marks R in red with error message “cannot resolve symbol R”, but build succeeds
In every project I've tried to create in Android Studio, all usages of R are marked in red with the error message "cannot resolve symbol R", but the compilation succeeds and the application runs. This is really annoying, as it blocks auto-completion and shows huge red waved lines all over my code.
...
Application auto build versioning
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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Why does Python code run faster in a function?
... (LOAD_GLOBAL), which is a true dict search involving a hash and so on. Incidentally, this is why you need to specify global i if you want it to be global: if you ever assign to a variable inside a scope, the compiler will issue STORE_FASTs for its access unless you tell it not to.
By the way, glob...
Setting element of array from Twig
...p/Twig/issues/789 ).
That will work only when keys are strings
What I did is recreate another table ( temp) from the initial table (t) and make the keys a string , for example :
{% for key , value in t%}
{% set temp= temp|merge({(key~'_'):value}) %}
{% endfor %}
t keys : 0 , 1 , 2 ..
temp...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...you had to animate a ball moving across the screen, it would be a terrible idea to call setNeedsDisplay on a view 60 times per second. So, if you have sub-components of your view that need to be individually animated, each component should be a separate layer.
The other problem is that when you don...