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Fixed size queue which automatically dequeues old values upon new enques
...afeFoo methods inside a lock.
Its a little verbose, but it makes obvious errors, like calling unsafe methods outside a lock in a method which is supposed to be thread-safe, more apparent.
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vim and NERD Tree extension - adding a file
...work, but [ma] then: whereiam/newdir1/newdir2/ works (though it gives some errors, the dirs are created).
– justin
Apr 15 '14 at 12:00
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Catching multiple exception types in one catch block
I'd like a cleaner way to obtain the following functionality, to catch AError and BError in one block:
11 Answers
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Creating a new user and password with Ansible
...sword: {{ upassword | string | password_hash('sha512') }}. This avoids the error message secret must be unicode or bytes, not ansible.parsing.yaml.objects.AnsibleVaultEncryptedUnicode
– Michael Aicher
Sep 18 '19 at 8:52
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How do I add an existing Solution to GitHub from Visual Studio 2013
... on the last line, this git push -u origin master, it gave error saying remote contains work that you do not have locally (it was freshly created and was empty). Then when tried to pull again. "there is no tracking info of current branch" Git is a mystery
– Blu...
Reverse colormap in matplotlib
...ks:
my_cmap
<matplotlib.colors.LinearSegmentedColormap at 0xd5a0518>
my_cmap_r = reverse_colourmap(my_cmap)
fig = plt.figure(figsize=(8, 2))
ax1 = fig.add_axes([0.05, 0.80, 0.9, 0.15])
ax2 = fig.add_axes([0.05, 0.475, 0.9, 0.15])
norm = mpl.colors.Normalize(vmin=0, vmax=1)
cb1 = mpl...
How to prevent ifelse() from turning Date objects into numeric objects
...1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): the true and false arguments must be the same type. This gives a less surprising return type, and preserves S3 vectors lik...
When to use Windows Workflow Foundation? [closed]
...d project from a consultant which used WF as its backbone. It was prone to errors, corrupted workflows that can't be restarted, an archaic versioning system that requires a complete duplicate of the workflow for any minor changes, horrific generated code, and such a delicate code that you have to ha...
Where is the C auto keyword used?
...(auto versus extrn). If you do not use one or the other, you have a syntax error. That is to say, x, y; is not a declaration by itself, but auto x, y; is.
Since code bases written in B had to be ported to NB and to C as the language was developed, the newer versions of the language carried some bag...
Getter and Setter?
...Foo {
public int bar;
}
Foo myFoo = new Foo();
myFoo.bar = "string"; // error
Using magic methods (__get and __set) also works, but only when accessing a property that has lower visibility than the current scope can access. It can easily give you headaches when trying to debug, if it is not use...