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javac : command not found
... ax.ax.
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Remap values in pandas column with a dict
...ws were altered, because the keys in di are 0 and 2, which with Python's 0-based indexing refer to the first and third locations.
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Convert DataFrame column type from string to datetime, dd/mm/yyyy format
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How is the default max Java heap size determined?
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In my case on Linux, InitialHeapSize = 262803264 and MaxHeapSize = 4206886912 which is about 256 MB and 4 GB if I'm not mistaken. Does this mean that every JVM starts as if it was launched with -Xms256m -Xmx4g options?
– Yuriy Nakonechnyy
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How do I iterate over an NSArray?
...for OS X 10.6 / iOS 4.0 and above, you also have the option of using block-based APIs to enumerate arrays and other collections:
[array enumerateObjectsUsingBlock:^(id object, NSUInteger idx, BOOL *stop) {
// do something with object
}];
You can also use -enumerateObjectsWithOptions:usingBloc...
adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...误提示、
[root@adito mnt]# ls
adito-0.9.1-bin.zip jdk-7u17-linux-x64.tar.gz
[root@adito mnt]# tar -zxvf jdk-7u17-linux-x64.tar.gz
解压出来后，移动到usr目录
[root@adito mnt]# mv jdk1.7.0_17 /usr
配置java 参数
alternatives --install /usr/bin/java java /usr/jdk1.7.0_17/jr...
UIRefreshControl - beginRefreshing not working when UITableViewController is inside UINavigationCont
...SVPullToRefresh. Have you tried reading their docs? It seems quite obvious based on the docs that it can be pulled down programmatically: "If you’d like to programmatically trigger the refresh (for instance in viewDidAppear:), you can do so with: [tableView triggerPullToRefresh];" See: github....
How do you use bcrypt for hashing passwords in PHP?
...edHat PHP >= 5.3.3)
There is a compatibility library on GitHub created based on the source code of the above functions originally written in C, which provides the same functionality. Once the compatibility library is installed, usage is the same as above (minus the shorthand array notation if y...
Storing Image Data for offline web application (client-side storage database)
...https://github.com/ismyrnow/Leaflet.functionaltilelayer
I compared the DB-based tiles layer with a purely local (localhost://) storage
There is no noticeable difference in performance! between using IndexedDB and local files!
Results
Chrome: Fetch (6.551s), Store (8.247s), Total Elapsed Time: (...
How can I remove the gloss on a select element in Safari on Mac?
...cluding any image files:
select{
background: url(data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0Ljk1IDEwIj48ZGVmcz48c3R5bGU+LmNscy0xe2ZpbGw6I2ZmZjt9LmNscy0ye2ZpbGw6IzQ0NDt9PC9zdHlsZT48L2RlZnM+PHRpdG...