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Most efficient conversion of ResultSet to JSON?
...e following code converts a ResultSet to a JSON string using JSONArray and JSONObject .
14 Answers
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Convert UNIX epoch to Date object
I'm plotting and performing calculations on uniformly distributed time series. The timestamps are currently stored as integers representing the number of seconds since the UNIX epoch (e.g. 1352068320 ), but Date objects seem more appropriate for plotting. How can I do the conversion?
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How do I split a string into an array of characters? [duplicate]
...ble, which means you can't set the value of a character using this method, and that it isn't supported by IE7 (if that still matters to you).
var s = "overpopulation";
console.log(s[3]); // logs 'r'
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java.lang.NoClassDefFoundError: org/hamcrest/SelfDescribing
...nit GitHub team website (https://github.com/junit-team/junit/wiki/Download-and-Install), junit.jar and hamcrest-core.jar are both needed in the classpath when using JUnit 4.11.
Here is the Maven dependency block for including junit and hamcrest.
<dependency>
<groupId>junit</grou...
How to call any method asynchronously in c#
...ibrary in .Net 4. It's much, much nicer than using BeginInvoke/EndInvoke, and gives a clean way to fire-and-forget for async jobs:
using System.Threading.Tasks;
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void Foo(){}
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new Task(Foo).Start();
If you have methods to call that take parameters, you can use a lambda to simplify the call...
Is there a better way to find out if a local git branch exists?
I am using the following command to find out if a local git branch with branch-name exists in my repository. Is this correct? Is there a better way?
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Single Line Nested For Loops
..., (2, 4), (3, 1), (3, 4)]
It's exactly the same as this nested for loop (and, as the tutorial says, note how the order of for and if are the same).
>>> combs = []
>>> for x in [1,2,3]:
... for y in [3,1,4]:
... if x != y:
... combs.append((x, y))
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Custom ListView click issue on items in Android
... list of databases internally. Do I just need to get the LinearLayout view and add an onClickListener like Tom did? I'm not sure.
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How to install ia32-libs in Ubuntu 14.04 LTS (Trusty Tahr)
...ommend you to remove the ia32-libs-raring.list in /etc/apt/sources.list.d, and do sudo apt-get update.
If you want to fix the dependency of Android SDK, you can try this bellow:
sudo apt-get install -y libc6-i386 lib32stdc++6 lib32gcc1 lib32ncurses5 lib32z1
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Git merge errors
I have a git branch called 9-sign-in-out with perfectly working code, and I want to turn it into the master. I'm currently on the master branch.
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