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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...
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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Get folder name from full file path
How do I get the folder name from the full path of the application?
11 Answers
11
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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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What is tail recursion?
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Consider a simple function that adds the first N natural numbers. (e.g. sum(5) = 1 + 2 + 3 + 4 + 5 = 15).
Here is a simple JavaScript implementation that uses recursion:
function recsum(x) {
if (x === 1) {
return x;
} else {
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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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Comet and jQuery [closed]
...king for lies in the "Comet" design pattern. Are there any good implementations of this pattern built on top of jQuery? If not, are there any good implementations of this pattern at all? And regardless of the answer to those questions, is there any documentation on this pattern from an implementatio...
What does Redis do when it runs out of memory?
This might be easy question but I am having a hard time finding the answer. How does Redis 2.0 handle running out of maximum allocated memory? How does it decide which data to remove or which data to keep in memory?
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How do I remove/delete a virtualenv?
...leting your virtual environment. Simply deactivate it and rid your application of its artifacts by recursively removing it.
Note that this is the same regardless of what kind of virtual environment you are using. virtualenv, venv, Anaconda environment, pyenv, pipenv are all based the same principle...
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...楼。大楼除了入口处的安检森严、一丝不苟，进入滴滴之后，好像回到大学的光景。图书墙、很OPEN的咖啡间、各种PK比赛，有最牛程序员之争，也有最佳团队之斗。一个个身经百战铁军的模样，柳青几个月分享时候提到初入滴滴...