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Partly JSON unmarshal into a map in Go
My websocket server will receive and unmarshal JSON data. This data will always be wrapped in an object with key/value pairs. The key-string will act as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value int...
How to flush output of print function?
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sys.stdout.flush() working for both 2.x and 3.x
– user3713719
Sep 3 at 2:49
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How to import a .cer certificate into a java keystore?
...uthentication for the webservice is using a client certificate, a username and a password. The client certificate I received from the company behind the webservice is in .cer format. When I inspect the file using a text editor, it has the following contents:
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CSS vertical alignment of inline/inline-block elements
I'm trying to get several inline and inline-block components aligned vertically in a div . How come the span in this example insists on being pushed down? I've tried both vertical-align:middle; and vertical-align:top; , but nothing changes.
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wget/curl large file from google drive
I'm trying to download a file from google drive in a script, and I'm having a little trouble doing so. The files I'm trying to download are here .
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How can I use vim to convert my file to utf8?
...set the BOM do this:
:set bomb
For more information :help mbyte-options and :help utf8 and :help bomb.
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How to fully remove Xcode 4
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I use this command:
sudo /Developer/Library/uninstall-devtools --mode=all
Edit (1 year later):
If you've downloaded Xcode from the App Store, it's self-contained, as @mediaslave suggests. You can just drag it to the trash or use AppZa...
HintPath vs ReferencePath in Visual Studio
What exactly is the difference between the HintPath in a .csproj file and the ReferencePath in a .csproj.user file? We're trying to commit to a convention where dependency DLLs are in a "releases" svn repo and all projects point to a particular release. Since different developers have differen...
ipad safari: disable scrolling, and bounce effect?
I'm working on a browser based app, currently I'm developing and styling for the ipad safari browser.
18 Answers
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Checking if a string is empty or null in Java [duplicate]
...ge Apache Commons StringUtils.isEmpty(str), which checks for empty strings and handles null gracefully.
Example:
System.out.println(StringUtils.isEmpty("")); // true
System.out.println(StringUtils.isEmpty(null)); // true
Google Guava also provides a similar, probably easier-to-read method: Stri...