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import module from string variable
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@mzjn This is for import moduleName where moduleName is string. How about from moduleName import * ?
– Nam G VU
May 30 '17 at 6:47
2
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Objective-C pass block as parameter
...ou can certainly pass a strongly-typed argument such as NSNumber * or std::string& or anything else you could pass as a function argument. This is just an example. (For a block that's equivalent except for replacing id with NSNumber, the typedef would be typedef void (^ IteratorWithNumberBlock)(...
MySQL get row position in ORDER BY
... it.
SELECT t,COUNT(*) AS position FROM t
WHERE name <= 'search string' ORDER BY name
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HTML5 Email Validation
... type=email page of the www.w3.org site notes that an email address is any string which matches the following regular expression:
/^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$/
Use the required attribute and a pattern attribute to require the value to match the regex...
Pass parameter to fabric task
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The quotes aren't necessary; all arguments are strings: "since this process involves string parsing, all values will end up as Python strings, so plan accordingly. (We hope to improve upon this in future versions of Fabric, provided an intuitive syntax can be found.)"
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What is the X-REQUEST-ID http header?
...empotent message
processing in case of a retry
If you make it a random string, unique per request, it won't infringe on your privacy, nor enable tracking.
If you want to know more of what idempotency has to offer, read this insightful article.
N.B. As Stefan Kögl comments, this header is not ...
Permission denied (publickey) when deploying heroku code. fatal: The remote end hung up unexpectedly
...debug1: Enabling compatibility mode for protocol 2.0
debug1: Local version string SSH-2.0-OpenSSH_4.6
debug1: SSH2_MSG_KEXINIT sent
debug1: SSH2_MSG_KEXINIT received
debug1: kex: server->client aes128-cbc hmac-md5 none
debug1: kex: client->server aes128-cbc hmac-md5 none
debug1: sending SSH2_M...
Read XML file into XmlDocument
...e (text.xml). I want to read that in XmlDocument and store the stream in string variable.
5 Answers
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How do you loop through currently loaded assemblies?
... the database connection(s), display the current appSettings and ConnectionStrings, etc. A section of this page displays the Assembly versions of important types used throughout, but I could not figure out how to effectively show the versions of ALL of the loaded assemblies.
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Set value to null in WPF binding
...comment):
<TextBox Text="{Binding Price, TargetNullValue={x:Static sys:String.Empty}}"/>
sys is the imported xml namespace for System in mscorlib:
xmlns:sys="clr-namespace:System;assembly=mscorlib"
Hope that helped.
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