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UIButton custom font vertical alignment
I've got a UIButton which uses a custom font, which is set when my view loads:
6 Answers
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How to reshape data from long to wide format
... the terms for melt/cast.
Edit: Now, in 2019, tidyr v 1.0 has launched and set spread and gather on a deprecation path, preferring instead pivot_wider and pivot_longer, which you can find described in this answer. Read on if you want a brief glimpse into the brief life of spread/gather.
library(tidy...
Linux环境离线安装docker&docker-compose - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...服务的服务器上，解压下载的docker安装包；
sudo tar -xvf docker-26.1.4-x86_64.tgz
# 给docker执行文件赋予可执行权限
sudo chmod 755 -R docker
# 复制docker到/usr/bin/目录下，使docker命令可以执行
sudo cp docker/* /usr/bin/
# 清理...
Rails: How can I set default values in ActiveRecord?
How can I set default value in ActiveRecord?
27 Answers
27
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Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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Difference between HashSet and HashMap?
Apart from the fact that HashSet does not allow duplicate values, what is the difference between HashMap and HashSet ?
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Cleaning up the iPhone simulator
...subscriptions. On a real device, you can remove a calendar subscription in Settings > Accounts but this menu does not exist on iOS Simulator and I did not want to reset the whole simulator. So I ended up locally versioning my Device folder with git and perform a git reset HEAD --hard && g...
Why is conversion from string constant to 'char*' valid in C but invalid in C++
... editor after snippets, if snippets enabled
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How to convert/parse from String to char in java?
How do I parse a String value to a char type, in Java?
14 Answers
14
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
...vase/downloads/java-archive-downloads-javase7-521261.html#jdk-7u21-oth-JPR
set these variables:
export JAVA_HOME="/Library/Java/JavaVirtualMachines/jdk1.7.0_21.jdk/Contents/Home"
export PATH=$JAVA_HOME/bin:$PATH
Run your app and fun :)
(Minor update: put variable value in quote)
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