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How to remove old Docker containers
...-run-if-empty docker rm
To give credit, where it is due, this example is from https://twitter.com/jpetazzo/status/347431091415703552.
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Vim for Windows - What do I type to save and exit from a file?
Using Windows XP I accidentally typed git commit -a instead of git commit -am "My commit message" , and now I'm viewing my CMD prompt filled with the file version of my commit message ("Please enter the commit message for your..."). I've added my message to the top, but now I can't figure out ho...
Java String - See if a string contains only numbers and not letters
I have a string that I load throughout my application, and it changes from numbers to letters and such. I have a simple if statement to see if it contains letters or numbers but, something isn't quite working correctly. Here is a snippet.
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c# why can't a nullable int be assigned null as a value [duplicate]
...cast on the Convert.ToInt32() was not necessary. There is an implicit cast from int to int?. The cast on the null is necessary regardless of whether you use int? or long?. The other options is to cast only the Convert.ToInt32() to an int? or long? (as suggested by Will Dean) as this will make the nu...
CSS submit button weird rendering on iPad/iPhone
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Brilliant, and here is a great article about it from CSS tricks. It lists all the other elements changed by WebKit and Mozilla.
– Patrick
Jun 6 '13 at 11:25
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What does the function then() mean in JavaScript?
...r E2.
Consider the following cases:
• We receive a successful response from the server in P1, but the data returned is not
correct, or there is no data available on the server (think empty array). In such a
case, for the next promise P2, it should trigger the error handler E2.
• We receive an...
What are some uses of template template parameters?
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Here is a simple example taken from 'Modern C++ Design - Generic Programming and Design Patterns Applied' by Andrei Alexandrescu:
He uses a classes with template template parameters in order to implement the policy pattern:
// Library code
template <t...
What is `mt=8` in iTunes links for the App Store?
... Enterprise Partner Feed, etc.). This helps identify where the link
came from for your benefit, but doesn’t actually affect the end user
experience. This can be removed if necessary to tidy up the link.
Affiliate Specific Parameters
AT – Affiliate Token: PHG’s affiliate token.
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How to inspect FormData?
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Or from the web console just write [...fd]
– Endless
Oct 16 '17 at 21:14
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AsyncProcedures异步过程扩展 · App Inventor 2 中文网
...sLargeData dataList
// 创建处理结果
make local ProcessedData from list
// 遍历处理每个数据项
for each item in dataList
// 模拟耗时处理
call wait 100
// 处理数据项
add item * 2 to ProcessedData
// 返回处理结果
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