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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
...ifully in a lot of scenarios, can only initialize a map if the keys are valid Python identifiers.
This works:
a = {'import': 'trade', 1: 7.8}
a = dict({'import': 'trade', 1: 7.8})
This won't work:
a = dict(import='trade', 1=7.8)
>> SyntaxError: invalid syntax ^
...
If REST applications are supposed to be stateless, how do you manage sessions?
...uld have to send it again in subsequent request. Statelessness also brings new features. It’s easier to distribute a stateless application across load-balanced servers. A stateless application is also easy to cache.
There are actually two kinds of state. Application State that lives on the client...
How to upgrade Git on Windows to the latest version?
... for Windows, from my previous version 1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
...
How should equals and hashcode be implemented when using JPA and Hibernate
...herwise. The important part here is that you need to reload your Set after new entity has been added to it and persisted; otherwise you may end up with strange behavior (ultimately resulting in errors and / or data corruption) because your entity may be allocated to a bucket not matching its current...
Understanding the ngRepeat 'track by' expression
...even if the JavaScript objects in the collection have been substituted for new ones.
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Getting vertical gridlines to appear in line plot in matplotlib
I want to get both horizontal and vertical grid lines on my plot but only the horizontal grid lines are appearing by default. I am using a pandas.DataFrame from an sql query in python to generate a line plot with dates on the x-axis. I'm not sure why they do not appear on the dates and I have trie...
How to grep and replace
...ass it through sed.
find /path/to/files -type f -exec sed -i 's/oldstring/new string/g' {} \;
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If statement in aspx page
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@JohnNguyen Can you create a new question for this and make up the code in a more readable fashion?
– Kris van der Mast
Feb 10 '15 at 11:24
...
java get file size efficiently
...e
public long getResult() throws Exception {
File me = new File(FileSizeBench.class.getResource(
"FileSizeBench.class").getFile());
return me.length();
}
},
CHANNEL {
@Override
public long getResult() throws Exceptio...
Spring Test & Security: How to mock authentication?
... public UserDetailsService userDetailsService() {
User basicUser = new UserImpl("Basic User", "user@company.com", "password");
UserActive basicActiveUser = new UserActive(basicUser, Arrays.asList(
new SimpleGrantedAuthority("ROLE_USER"),
new SimpleGran...