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How do I resize an image using PIL and maintain its aspect ratio?
...ntation for PIL says that thumbnail only works if the resulting image is smaller than the original one. Because of that I would guess that using resize is the better way.
– So S
Jan 28 '17 at 21:22
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Maven: Failed to read artifact descriptor
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You can always try mvn -U clean install
-U forces a check for updated releases and snapshots on remote repositories.
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Why there is no ConcurrentHashSet against ConcurrentHashMap
... Collections.newSetFromMap creates a SetFromMap. e.g. the SetFromMap.removeAll method delegates to the KeySetView.removeAll, that inherits from ConcurrentHashMap$CollectionView.removeAll. This method is highly inefficient in bulk removing elements. imagine removeAll(Collections.emptySet()) traverses...
Can I have multiple :before pseudo-elements for the same element?
... when you have multiple :before rules matching the same element, they will all cascade and apply to a single :before pseudo-element, as with a normal element. In your example, the end result looks like this:
.circle.now:before {
content: "Now";
font-size: 19px;
color: black;
}
As you ...
Stacking DIVs on top of each other?
...iv however you want, then position the inner divs using absolute. They'll all stack up.
.inner {
position: absolute;
}
<div class="outer">
<div class="inner">1</div>
<div class="inner">2</div>
<div class="inner">3</div>
<div cla...
How can I strip first and last double quotes?
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If you can't assume that all the strings you process have double quotes you can use something like this:
if string.startswith('"') and string.endswith('"'):
string = string[1:-1]
Edit:
I'm sure that you just used string as the variable name f...
How do I force make/GCC to show me the commands?
... Although the above suggestion of "make -n" worked as well. :) Thank you all for your responses.
– hernejj
Apr 28 '11 at 14:45
77
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How do you do relative time in Rails?
...e_ago_in_words method (or distance_of_time_in_words), from ActiveSupport. Call it like this:
<%= time_ago_in_words(timestamp) %>
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What's the function like sum() but for multiplication? product()?
...Older info: Python 3.7 and prior
The function you're looking for would be called prod() or product() but Python doesn't have that function. So, you need to write your own (which is easy).
Pronouncement on prod()
Yes, that's right. Guido rejected the idea for a built-in prod() function because he t...
Get the last inserted row ID (with SQL statement) [duplicate]
... Note that SCOPE_IDENTITY() can yield incorrect results as well (under parallelism), see support.microsoft.com/kb/2019779 - the fix was first made available last week for 2008 R2 SP1 CU5. In all earlier versions, the workarounds are to set maxdop to 1, keep a fixed plan that happens to not use para...