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What is the fastest integer division supporting division by zero no matter what the result is?
...ntegral arithmetic and the use of condition flags are invented in hardware for this purpose. In general condition flags are only accessible in C through using idiom. That is why it so hard to make a portable multiple precision integer library in C without resorting to (inline) assembly. My guess is ...
Where can I get a list of Ansible pre-defined variables?
...ome pre-defined variables that we can use in playbooks and template files. For example, the host ip address is ansible_eth0.ipv4.address. Googleing and searching the docs I cound't find a list of all available variables. Would someone list them for me?
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App Inventor 2 上传文件到服务器的方案全总结 - App Inventor 2 中文网 - ...
...Program...";//phpinfo();
$picDir = "./test/";
$fileName = $_REQUEST['pic'];
$startT = microtime(TRUE);
echo "\nReceiving: $fileName \n";
$dataToWrite = file_get_contents('php://input');
$fileStatus = file_put_contents($picDir.$fileName, $dataToWrite);
$dur = microtime(TR...
How do I check if a string contains another string in Swift?
In Objective-C the code to check for a substring in an NSString is:
27 Answers
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Collection that allows only unique items in .NET?
... there a collection in C# that will not let you add duplicate items to it? For example, with the silly class of
7 Answers
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Python 2.7 getting user input and manipulating as string without quotations
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Use raw_input() instead of input():
testVar = raw_input("Ask user for something.")
input() actually evaluates the input as Python code. I suggest to never use it. raw_input() returns the verbatim string entered by the user.
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How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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How to escape a JSON string to have it in a URL?
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I was looking to do the same thing. problem for me was my url was getting way too long. I found a solution today using Bruno Jouhier's jsUrl.js library.
I haven't tested it very thoroughly yet. However, here is an example showing character lengths of the string output...
Cleanest way to get last item from Python iterator
...at's the best way of getting the last item from an iterator in Python 2.6? For example, say
14 Answers
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Render basic HTML view?
...houldn't you be able to render that html page without a jade template just for initial testing of express?
– PositiveGuy
Feb 24 '16 at 8:32
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