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Where does Vagrant download its .box files to?
...n the atlas. For example,
https://atlas.hashicorp.com/ubuntu/boxes/trusty64/versions/20150530.0.1
Replace the domain name with vagrantcloud.com. So https://atlas.hashicorp.com/ubuntu/boxes/trusty64/versions/20150530.0.1
becomes https://vagrantcloud.com/ubuntu/boxes/trusty64/versions/20150530.0.1/...
JS - get image width and height from the base64 code
I have a base64 img encoded that you can find here . How can I get the height and the width of it?
4 Answers
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Python: print a generator expression?
...; (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is sometimes called a generator comprehension, although I think the official name still is generator expression, there isn't really any difference, the parenthesis are only there to make the syntax valid. You do...
Generate a heatmap in MatPlotLib using a scatter data set
...
x = np.random.randn(1000)
y = np.random.randn(1000)
sigmas = [0, 16, 32, 64]
for ax, s in zip(axs.flatten(), sigmas):
if s == 0:
ax.plot(x, y, 'k.', markersize=5)
ax.set_title("Scatter plot")
else:
img, extent = myplot(x, y, s)
ax.imshow(img, extent=extent,...
How to encrypt String in Java
...you get the key. That simple!
Pointed out by Moussa
I am using Sun's Base64Encoder/Decoder which is to be found in Sun's JRE, to avoid yet another JAR in lib. That's dangerous from point of using OpenJDK or some other's JRE. Besides that, is there another reason I should consider using Apache comm...
Default function arguments in Rust
..."arguments" struct and the From/Into traits:
pub struct FooArgs {
a: f64,
b: i32,
}
impl Default for FooArgs {
fn default() -> Self {
FooArgs { a: 1.0, b: 1 }
}
}
impl From<()> for FooArgs {
fn from(_: ()) -> Self {
Self::default()
}
}
impl Fro...
Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
...
I don't have rebase.exe on my Win10 64 Bit Pro, but calling the following did the trick (VS2010): "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\amd64\editbin.exe" /REBASE:BASE=0x50000000 msys-1.0.dll
– Paul Bußmann
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What do linkers do?
...
164
To understand linkers, it helps to first understand what happens "under the hood" when you conv...
How does Hadoop process records split across block boundaries?
...f each 100Mb in the same file, and to simplify let's say the split size is 64Mb. Then when the input splits are calculated, we will have the following scenario:
Split 1 containing the path and the hosts to this block. Initialized at start 200-200=0Mb, length 64Mb.
Split 2 initialized at start 200-...
How to clear basic authentication details in chrome
...
Didn't work for me (Version 54.0.2840.98 (64-bit) on Mac OS X 10.11) with On Startup: Continue where you left off
– Frans
Nov 30 '16 at 12:52
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