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Saving an Object (Data persistence)
...tion of it to your example:
import pickle
class Company(object):
def __init__(self, name, value):
self.name = name
self.value = value
with open('company_data.pkl', 'wb') as output:
company1 = Company('banana', 40)
pickle.dump(company1, output, pickle.HIGHEST_PROTOCOL)
...
Difference between DOM parentNode and parentElement
Can somebody in explain me in as simple as possible terms, what is the difference between classical DOM parentNode and newly introduced in Firefox 9 parentElement
...
Determine function name from within that function (without using traceback)
...t want to play with the stack yourself, you should either use "bar" or bar.__name__ depending on context.
The given rejection notice is:
This PEP is rejected. It is not clear how it should be implemented or what the precise semantics should be in edge cases, and there aren't enough important us...
Does use of final keyword in Java improve the performance?
...(at compile time).
public class FinalTest {
public static final int N_ITERATIONS = 1000000;
public static String testFinal() {
final String a = "a";
final String b = "b";
return a + b;
}
public static String testNonFinal() {
String a = "a";
...
How do I efficiently iterate over each entry in a Java Map?
...68 ± 0.887 µs/op
test6_UsingForAndIterator avgt 10 50.332 ± 0.507 µs/op
test2_UsingForEachAndMapEntry avgt 10 51.406 ± 1.032 µs/op
test1_UsingWhileAndMapEntry avgt 10 52.538 ± 2.431 µs/op
test7_UsingJava8StreamApi avgt 10 54.4...
Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
... Application Project on Eclipse Kepler on Mac OS X with java version "1.7.0_45"
2 Answers
...
Does reading an entire file leave the file handle open?
...file is closed, is this pattern:
with open('Path/to/file', 'r') as content_file:
content = content_file.read()
which will always close the file immediately after the block ends; even if an exception occurs.
Edit: To put a finer point on it:
Other than file.__exit__(), which is "automatical...
VM 磁盘空间扩容引起的一些问题 - 更多技术 - 清泛网 - 专注C/C++及内核技术
VM 磁盘空间扩容引起的一些问题TOP如下存储分区如下ESX1下挂载情况如下图ESX2下挂载情况如下图现在有个需求，lun60的空间偏大，缩小为1T，LUN80的空间偏小，扩大为1.5T先...TOP 如下
存储分区如下
ESX1下挂载情况如下图
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How to split a string in shell and get the last field
Suppose I have the string 1:2:3:4:5 and I want to get its last field ( 5 in this case). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f .
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What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
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Martin BeckettMartin Beckett
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