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Python Image Library fails with message “decoder JPEG not available” - PIL
...you are on 64bit or 32bit Ubuntu.
For Ubuntu x64:
sudo ln -s /usr/lib/x86_64-linux-gnu/libjpeg.so /usr/lib
sudo ln -s /usr/lib/x86_64-linux-gnu/libfreetype.so /usr/lib
sudo ln -s /usr/lib/x86_64-linux-gnu/libz.so /usr/lib
Or for Ubuntu 32bit:
sudo ln -s /usr/lib/i386-linux-gnu/libjpeg.so /usr/l...
CListCtrl 扩展风格设置方法：SetExtendedStyle和ModifyStyleEx 区别 - C/C...
...常常想到用ModifyStyleEx 来设定，代码如下：ModifyStyleEx(0,LVS_EX_GRIDLINES)这是...对于初学者来说，当他需要设定listctrl的扩展风格时，常常想到用ModifyStyleEx 来设定，代码如下：
ModifyStyleEx(0,LVS_EX_GRIDLINES)
这是不正确的，正确的...
How to sort mongodb with pymongo
...rameters.
So if you want to sort by, let's say, id then you should .sort("_id", 1)
For multiple fields:
.sort([("field1", pymongo.ASCENDING), ("field2", pymongo.DESCENDING)])
share
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improve thi...
What's the difference between Task.Start/Wait and Async/Await?
...ot. How would you like it if waiting for a Task that takes 10 ms would actually execute a 10 hour-long Task on your thread, thus blocking you for the whole 10 hours?
– svick
Apr 20 '13 at 11:10
...
iOS - forward all touches through a view
...r of other views underneath, which are scrollviews, etc. How can I forward all the touches through this overlay view? It is a subcalss of UIView.
...
ListCtrl 重绘（Custom Draw） - C/C++ - 清泛网 - 专注C/C++及内核技术
...er Draw等）。这种容易来自于我们只需要处理一个消息（NM_CUSTOMDRAW），就可以让Windows为你干活了，你就不用被逼去处理＂重绘过程＂中所有的脏活了。
这篇文章的焦点是如何在一个LISTCTRL控件上使用Custom Draw消息。究其原因，一...
Create an index on a huge MySQL production table without table locking
...d or dropped. The CREATE INDEX or DROP INDEX statement only finishes after all transactions that are accessing the table are completed, so that the initial state of the index reflects the most recent contents of the table. Previously, modifying the table while an index is being created or dropped ty...
Are there any suggestions for developing a C# coding standards / best practices document? [closed]
...recent AI graduate (circa 2 years) working for a modest operation. It has fallen to me (primarily as I'm the first 'adopter' in the department) to create a basic (read useful?) C# coding standards document.
...
How to retrieve checkboxes values in jQuery
...t works (see the example):
function updateTextArea() {
var allVals = [];
$('#c_b :checked').each(function() {
allVals.push($(this).val());
});
$('#t').val(allVals);
}
$(function() {
$('#c_b input').click(updateTextArea);
updateTextArea();
});
Update
...
Running multiple commands with xargs
...gs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
...or, without a Useless Use Of cat:
<a.txt xargs -d $'\n' sh -c 'for arg do command1 "$arg"; command2 "$arg"; ...; done' _
To explain some of the finer points:
The use of "$arg" instead of % (and the absence of...