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Redirecting to a certain route based on condition
... @honkskillet: From the angular $routeProvider docs: "factory - {string|function}: If string then it is an alias for a service. Otherwise if function, then it is injected and the return value is treated as the dependency. If the result is a promise, it is resolved before its value is injec...
How do I URl encode something in Node.js?
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The built-in module querystring is what you're looking for:
var querystring = require("querystring");
var result = querystring.stringify({query: "SELECT name FROM user WHERE uid = me()"});
console.log(result);
#prints 'query=SELECT%20name%20FROM%20u...
Sort a text file by line length including spaces
...ou change one field. I guess it's not crazy behaviour. It has this:
"Finally, there are times when it is convenient to force awk to rebuild the entire record, using the current value of the fields and OFS. To do this, use the seemingly innocuous assignment:"
$1 = $1 # force record to be recon...
Convert string in base64 to image and save on filesystem in Python
I have a string in base64 format, which represents PNG image. Is there a way to save this image to the filesystem, as a PNG file?
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NSString: isEqual vs. isEqualToString
What is the difference between isEqual: and isEqualToString: ?
5 Answers
5
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How to find Unused Amazon EC2 Security groups
...AWS CLI tool, I found an easy way to get what I need:
First, get a list of all security groups
aws ec2 describe-security-groups --query 'SecurityGroups[*].GroupId' --output text | tr '\t' '\n'
Then get all security groups tied to an instance, then piped to sort then uniq:
aws ec2 describe-instance...
How can I check if a value is a json object?
...y server side code returns a value which is a json object on success and a string 'false' on failure. Now how can I check whether the returned value is a json object?
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TypeError: sequence item 0: expected string, int found
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string.join connects elements inside list of strings, not ints.
Use this generator expression instead :
values = ','.join(str(v) for v in value_list)
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Could not find any resources appropriate for the specified culture or the neutral culture
... is a static property to get the ResourceManager. Within that getter, the string was still referring the old namespace. Once correcting it to the new namespace, the problem was resolved:
global::System.Resources.ResourceManager temp =
new global::System.Resources.ResourceManager(
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Check if Key Exists in NameValueCollection
...key is not found;
So you can just:
NameValueCollection collection = ...
string value = collection[key];
if (value == null) // key doesn't exist
2) if the specified key is found and its associated value is null.
collection[key] calls base.Get() then base.FindEntry() which internally uses ...