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Test if a command outputs an empty string
How can I test if a command outputs an empty string?
11 Answers
11
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Check if Internet Connection Exists with Javascript? [duplicate]
...natively, an XHR request to your own server isn't that bad of a method for testing your connectivity. Considering one of the other answers state that there are too many points of failure for an XHR, if your XHR is flawed when establishing it's connection then it'll also be flawed during routine use ...
WCF - How to Increase Message Size Quota
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If you're still getting this error message while using the WCF Test Client, it's because the client has a separate MaxBufferSize setting.
To correct the issue:
Right-Click on the Config File node at the bottom of the tree
Select Edit with SvcConfigEditor
A list of editable sett...
Why does Node.js' fs.readFile() return a buffer instead of string?
I'm trying to read the content of test.txt (which is on the same folder of the Javascript source) and display it using this code:
...
Preferred method to store PHP arrays (json_encode vs serialize)
...ance is your absolute driving characteristic, then by all means use the fastest one. Just make sure you have a full understanding of the differences before you make a choice
Unlike serialize() you need to add extra parameter to keep UTF-8 characters untouched: json_encode($array, JSON_UNESCAPED_U...
Find out time it took for a python script to complete execution
...ate-able piece of code, timeit comes in handy.
From the timeit docs,
def test():
"Stupid test function"
L = []
for i in range(100):
L.append(i)
if __name__=='__main__':
from timeit import Timer
t = Timer("test()", "from __main__ import test")
print t.timeit()
The...
Overriding id on create in ActiveRecord
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Try
a_post = Post.new do |p|
p.id = 10
p.title = 'Test'
p.save
end
that should give you what you're looking for.
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The current branch is not configured for pull No value for key branch.master.merge found in configur
...n a remote server). Then I created a new branch of repo project locally ("testing"), and pushed it to remote repository. Cloned remote repo to my laptop, switched to "testing" branch, worked on it, etc., pushed, then came back to office. When I tried to pull "testing" changes from server, got msg...
Convert NaN to 0 in javascript
... 0;
...which will have the same effect as above.
If the intent was to test for more than just NaN, then you can do the same, but do a toNumber conversion first.
a = +a || 0
This uses the unary + operator to try to convert a to a number. This has the added benefit of converting things like nu...
AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
...ssion, it should be avoided (as logically it's less correct & it makes testing harder).
– 0xc0de
Mar 13 '13 at 5:24
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