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How to count items in JSON object using command line?
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Just throwing another solution in the mix...
Try jq, a lightweight and flexible command-line JSON processor:
jq length /tmp/test.json
Prints the length of the array of objects.
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*.h or *.hpp for your class definitions
...for C++ versions.
Remember, C is not C++ and it can be very dangerous to mix and match unless you know what you are doing. Naming your sources appropriately helps you tell the languages apart.
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How to make Java honor the DNS Caching Timeout?
We use GSLB for geo-distribution and load-balancing. Each service is assigned a fixed domain name. Through some DNS magic, the domain name is resolved into an IP that's closest to the server with least load. For the load-balancing to work, the application server needs to honor the TTL from DNS respo...
Why does the Scala compiler disallow overloaded methods with default arguments?
...esolution is already very hard to specify. Adding default arguments in the mix would make it harder still. That's why we have opted to separate the two.
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Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P
...ava -version" returned "Java HotSpot(TM) 64-Bit Server VM (build 23.1-b03, mixed mode)" but I was had installed the Win32 service...
It turns out that if you use the Win32 wrapper on a 64-bit machine it somehow decides to use a different version of Java...
So my fix was to uninstall the 32-bit ver...
What is the result of % in Python?
What does the % in a calculation? I can't seem to work out what it does.
19 Answers
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Iterate over a list of files with spaces
...e for loops and array iteration, so I figure I will add this answer to the mix...
I also liked marchelbling's stupid file example. :)
$ mkdir test
$ cd test
$ touch "stupid file1"
$ touch "stupid file2"
$ touch "stupid file 3"
Inside the test directory:
readarray -t arr <<< "`ls -A1`...
how to programmatically fake a touch event to a UIButton?
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It turns out that
[buttonObj sendActionsForControlEvents: UIControlEventTouchUpInside];
got me exactly what I needed, in this case.
EDIT: Don't forget to do this in the main thread, to get results similar to a user-press.
For Swift 3:
buttonObj.sendActio...
Spring DAO vs Spring ORM vs Spring JDBC
...gh data access technologies supported by Spring, and I noticed that it mentions multiple options and I am not sure about the difference among them:
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How to access accelerometer/gyroscope data from Javascript?
... the accelerometer or gyroscope on my laptop, detecting changes in orientation or movement.
4 Answers
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