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How to find the JVM version from a program?
....getProperty("java.version") returns what you need.
You can also use JMX if you want:
ManagementFactory.getRuntimeMXBean().getVmVersion()
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How do I efficiently iterate over each entry in a Java Map?
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To summarize the other answers and combine them with what I know, I found 10 main ways to do this (see below). Also, I wrote some performance tests (see results below). For example, if we want to find the sum of all of the keys and values of a map, we can write:
Using iterator and Ma...
“Debug certificate expired” error in Eclipse Android plugins
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There is now a bug tracker issue requesting this to be fixed. Please vote for it. code.google.com/p/android/issues/detail?id=15370
– Manfred Moser
Mar 9 '11 at 19:52
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完美解决phpcms批量移动内容后，新闻心情、评论排行等不更新的问题 - 更多...
...文章
*/
public function remove() {
if(isset($_POST['dosubmit'])) {
$this->content_check_db = pc_base::load_model('content_check_model');
$this->hits_db = pc_base::load_model('hits_model');
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Command-line Unix ASCII-based charting / plotting tool
...tStyleString+@oc["MiscOptions"]
com=com+"set multiplot;\n" if doMultiPlot
+ com=com+"set terminal dumb;\n"
com=com+"plot "+@oc["Range"]+comString+"\n'| gnuplot -persist"
printAndRun(com)
# ---- convert to PDF
An example ...
Converting integer to string in Python
...tr__() defined. In fact
str(a)
is equivalent to
a.__str__()
The same if you want to convert something to int, float, etc.
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How to merge lists into a list of tuples?
...generator that will be exhausted after using it once. Save into a variable if you want to use it more often
– Hakaishin
Sep 25 '18 at 13:34
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Oracle 11.2.0.4 RAC FOR redhat 6.4 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...ng
cd /etc/sysconfig/network-scripts/
cp /etc/sysconfig/network-scripts/ifcfg-eth* /etc/sysconfig/network-scripts/备份
vi ifcfg-bond0
节点1 为172.16.110.100
节点2 为172.16.110.110
vi ifcfg-bond1
节点1 为10.10.120.100
节点2 为10.10.120.110
节点1，节点2一...
ImportError: Cannot import name X
I have four different files named: main, vector, entity and physics. I will not post all the code, just the imports, because I think that's where the error is. (If you want, I can post more)
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How to write to a file, using the logging Python module?
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Can the filename be a hdfs location? If yes, how?
– Augmented Jacob
Sep 25 '17 at 20:59
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