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Assigning code to a variable
... C#) and we have learned the hard way that you have to be careful with it, esp. in respect with performance.
– Abel
Apr 30 '14 at 11:01
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sh...
How can I pass data from Flask to JavaScript in a template?
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Yes, you could, and in some architectures (esp. SPAs) this is the proper way to do things, but bear in mind that there are several disadvantages to doing this versus baking the data into the page when you serve it: 1. it's slower, 2. it requires slightly more code eve...
淘宝应对双\"11\"的技术架构分析 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...完善的地方。一个典型的例子莫过于各个分层之间使用短连接模式的HTTP协议进行通信。这样的策略直接导致在流量高峰期单机的TCP连接数非常高。所以说，一个良好的架构固然能够在很大程度上降低开发和维护的成本，但它自...
Django: “projects” vs “apps”
...command actually stops you, I assume, as a convention. I like conventions, especially in the context of a team effort, but I prefer to understand the logic behind them :)
– Dolph
Feb 2 '11 at 22:02
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Best Practice: Initialize JUnit class fields in setUp() or at declaration?
...uld fail, in which case use @Before, to catch failures.
For global state (esp. slow initialization, like a database), use @BeforeClass, but be careful of dependencies between tests.
Initialization of an object used in a single test should of course be done in the test method itself.
Initializing ...
Why switch is faster than if
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@Eric it is slower for a small number of values esp String or int which are sparse.
– Peter Lawrey
Jan 3 '18 at 3:29
add a comment
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moving committed (but not pushed) changes to a new branch after pull
... Cherry-pick is really the best "copy/move a single commit" command, esp. when history is baggage for your purposes.
– John Neuhaus
May 14 '18 at 15:24
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How to send an object from one Android Activity to another using Intents?
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Not necessarily a bad idea, esp. since Gson is much simpler to use than to implement parcelable for all the objects you want to send.
– uvesten
Apr 13 '11 at 15:26
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Should I use SVN or Git? [closed]
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@Oli Would be good to update your answer (esp about Windows git client) based on the comments here and your experience. The current answer seems biased now that 2-3 years have passed since it was written.
– amit
May 16 '11 at 3:...
In log4j, does checking isDebugEnabled before logging improve performance?
...g(someString);
But usually, as the application grows, changes many hands, esp novice developers, you could see
logger.debug(str1 + str2 + str3 + str4);
and the like.
Even if log level is set to ERROR or FATAL, the concatenation of strings do happen !
If the application contains lots of DEBUG lev...