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Return None if Dictionary key is not available

...ldn't work out what I was doing wrong here. – wobbily_col Aug 23 '16 at 14:28 @TimPietzcker - can you please explain y...
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How do I write output in same place on the console?

... #kinda like the one above but better :P from __future__ import print_function from time import sleep for i in range(101): str1="Downloading File FooFile.txt [{}%]".format(i) back="\b"*len(str1) print(str1, end="") sleep(0.1) print(back, end="") ...
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How does BLAS get such extreme performance?

... of the Strassen algorithm - ibm.com/support/knowledgecenter/en/SSFHY8/essl_welcome.html – ben-albrecht Oct 1 '18 at 13:36 2 ...
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Real differences between “java -server” and “java -client”?

...e: The release of jdk6 update 10 (see Update Release Notes:Changes in 1.6.0_10) tried to improve startup time, but for a different reason than the hotspot options, being packaged differently with a much smaller kernel. G. Demecki points out in the comments that in 64-bit versions of JDK, the -clien...
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Removing a list of characters in string

...unicodes), the absolutely best method is str.translate: >>> chars_to_remove = ['.', '!', '?'] >>> subj = 'A.B!C?' >>> subj.translate(None, ''.join(chars_to_remove)) 'ABC' Otherwise, there are following options to consider: A. Iterate the subject char by char, omit unwa...
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Convert form data to JavaScript object with jQuery

...nction(){ var self = this, json = {}, push_counters = {}, patterns = { "validate": /^[a-zA-Z][a-zA-Z0-9_]*(?:\[(?:\d*|[a-zA-Z0-9_]+)\])*$/, "key": /[a-zA-Z0-9_]+|(?=\[\])/g, "push": /^$/, ...
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How to get Visual Studio 'Publish' functionality to include files from post build event?

...hat. <Target Name="CustomCollectFiles"> <ItemGroup> <_CustomFiles Include="..\Extra Files\**\*" /> <FilesForPackagingFromProject Include="%(_CustomFiles.Identity)"> <DestinationRelativePath>Extra Files\%(RecursiveDir)%(Filename)%(Extension)</Destin...
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Convert base64 string to ArrayBuffer

... Try this: function _base64ToArrayBuffer(base64) { var binary_string = window.atob(base64); var len = binary_string.length; var bytes = new Uint8Array(len); for (var i = 0; i < len; i++) { bytes[i] = binary_string.char...
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SQL Server Index Naming Conventions [closed]

...me indexes for SQL Server? It seems that the primary key index is named PK_ and non-clustered indexes typically start with IX_. Are there any naming conventions beyond that for unique indexes? ...
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fs: how do I locate a parent folder?

... Try this: fs.readFile(__dirname + '/../../foo.bar'); Note the forward slash at the beginning of the relative path. share | improve this answer ...