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What does the “assert” keyword do? [duplicate]
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If you launch your program with -enableassertions (or -ea for short) then this statement
assert cond;
is equivalent to
if (!cond)
throw new AssertionError();
If you launch your program without this option, the assert statement will have no effect.
For ...
How to delete images from a private docker registry?
...delete a repository or a specific tag.
In general, deleting a repository means, that all the tags associated to this repo are deleted.
Deleting a tag means, that the association between an image and a tag is deleted.
None of the above will delete a single image. They are left on your disk.
Wor...
What should I set JAVA_HOME environment variable on macOS X 10.6?
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855
I just set JAVA_HOME to the output of that command, which should give you the Java path specif...
Remove duplicated rows
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Steffi LaZerte
2855 bronze badges
answered May 29 '15 at 1:10
Sam FirkeSam Firke
15k66 gold ba...
Android - styling seek bar
...source code, I took from this link
It is good to copy these drawables for each hdpi, mdpi, xhdpi. For example I use only mdpi:
Then using Photoshop change color from blue to red:
red_scrubber_control_disabled_holo.png:
red_scrubber_control_focused_holo.png:
red_scrubber_control_normal_holo.pn...
cocoapods - 'pod install' takes forever
... cocoapods - 'pod repo remove master' takes forever. Need to create new thread ? :)
– dmitrynikolaev
Dec 11 '15 at 6:57
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Calling Java from Python
... Java VM you want to call.
The communication is done through sockets instead of JNI and Py4J has its own protocol (to optimize certain cases, to manage memory, etc.)
Disclaimer: I am the author of Py4J
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来自微软的一手内幕：Windows 10是怎么出炉的 - 创意 - 清泛网 - 专注C/C++及内核技术
...标更是雄心勃勃：如果他们成功了，Windows 10将成为最后一代Windows操作系统，其更新升级将持续不断，永无止境。这是一款为了大家共同工作而设计的系统，它承诺彻底营造同类硬件产品的优良协同生态。
通过Verge的一系列独...
“Insufficient Storage Available” even there is lot of free space in device memory
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According to androidforums.com/evo-4g-support-troubleshooting/…, "Uh, what? All of this is incorrect. The ROM area where apps are installed is not related to the RAM area where apps run/cache. Task Killer will free up RAM, not ROM. You will not be able ...
Possible to perform cross-database queries with PostgreSQL?
...y discourage users to use the above solution.
– johan855
Jan 12 '17 at 10:47
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