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Python Dictionary Comprehension
..., 11)]
you should write only
l = range(1, 11)
In the two top code blocks you're creating a new list, iterating through it and just returning each element. It's just an expensive way of creating a list copy.
To get a new dictionary with all keys set to the same value based on another dict, ...
Share application “link” in Android
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Why is this wrapped in a try/catch block ?
– Louis
Feb 20 '18 at 9:03
8
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In Clojure how can I convert a String to a number?
...nor critique - technically your if should be a when since there is no else block in your fns.
– quux00
Dec 26 '12 at 2:28
1
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How do I print a list of “Build Settings” in Xcode project?
... /usr/bin/osacompile
OTHER_CFLAGS -DNS_BLOCK_ASSERTIONS=1
OTHER_CPLUSPLUSFLAGS -DNS_BLOCK_ASSERTIONS=1
OTHER_INPUT_FILE_FLAGS
OTHER_LDFLAGS -lz
PACKAGE_TYPE com.apple.package-type.w...
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
...B server has run out of connections.
Something in between Java and DB is blocking connections, e.g. a firewall or proxy.
To solve the one or the other, follow the following advices:
Verify and test them with ping.
Refresh DNS or use IP address in JDBC URL instead.
Verify it ...
SensorUtil 传感器工具扩展:在后台和屏幕关闭时保持传感器工作 · App Inv...
...g:hover { color: #3773f5 } .feedback-pop .feedback-img { display: inline-block; width: 24px; height: 24px; margin-bottom: 4px; background: url(/static/images/feedback.svg) 50% / 100% auto no-repeat; } 文档反馈 切换 目录 在线 客服 ...
Validate that end date is greater than start date with jQuery
...e textbox.
Add an endDate class to your end date textbox.
Add this script block to your page:-
<script type="text/javascript">
$(document).ready(function() {
$.validator.addMethod("endDate", function(value, element) {
var startDate = $('.startDate').val();
...
Amazon SimpleDB vs Amazon DynamoDB
...n the table at any time. Upto 5 are supported.
So, indexing is no longer a blocking issue for many use cases.
You should also know that SimpleDB has size and performance limits. (10GB and say, 25 requests/sec)
Perhaps eventually, DynamoDB will replace SimpleDB in all but the most simple use cases....
fancybox2 / fancybox causes page to to jump to the top
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I guess that would block the mouse-wheel functionality - I will continue to look for other solutions as well. But like I said, this is doing the trick for now!
– sheriffderek
Nov 25 '12 at 6:46
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Iterating each character in a string using Python
...s a list, so for a very long length you may end up allocating a very large block of memory. At the very least use xrange() in those cases. Also, repeated indexing of the same string is much slower than iterating directly over the string. If you need the index, use enumerate().
–...
