大约有 1,070 项符合查询结果(耗时:0.0242秒) [XML]

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What is the difference between linear regression and logistic regression?

... this variable, the dependent variable is expected to increase/decrease by xxx). However, in logistic regression, depends on the family (binomial, Poisson, etc.) and link (log, logit, inverse-log, etc.) you use, the interpretation is different. Error minimization technique Linear regression uses...
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Convert INT to VARCHAR SQL

... Actually you don't need to use STR Or Convert. Just select 'xxx'+LTRIM(1) does the job. Possibly, LTRIM uses Convert or STR under the hood. LTRIM also removes need for providing length and usually default 10 is good enough for integer to string conversion. SELECT LTRIM(ColumnName) ...
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Track all remote git branches as local branches

...production development integration staging Deleted branch production (was xxxxx). Deleted branch development (was xxxxx). Deleted branch integration (was xxxxx). Deleted branch staging (was xxxxx). If you use the -vv switch to git branch you can confirm: $ git br -vv development xxxxx [origin/...
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Custom attributes - Yea or nay?

...lifier-". for divs related to layout only, i'd have it's class be "layout-xxx", or for internal divs that surround an important part, like a book or a store, i'd have a content-book, or content-store. then in my JavaScript, i have a function that prepends those things on the tag based on what i'm...
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What is the difference between --save and --save-dev?

... A side note: Microsoft suggests installing @types/xxx packages as dependencies, not devDependencies github.com/Microsoft/types-publisher/issues/81 – Dave Nov 6 '17 at 11:44 ...
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What does the * * CSS selector do?

... @swapnesh it looks like a browser hack. There's a * { font-size: XXX } rule and a * * { font-size: YYY } rule. One of them applies to most browsers, and the other one applies to browsers with a certain bug, although I don't have patience to figure out the details. It's similar to the * htm...
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Circular (or cyclic) imports in Python

...raightforward really. Just remember the following: 'import' and 'from xxx import yyy' are executable statements. They execute when the running program reaches that line. If a module is not in sys.modules, then an import creates the new module entry in sys.modules and then executes the ...
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Why is Magento so slow? [closed]

...ocal, extending the core ones and defining the cache parameters, name them xxx_Cache and then update your layout to use these blocks instead of the core ones. This way, you avoid losing your changes or breaking the system when you upgrade magento. ...
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__getattr__ on a module

... There are two basic problems you are running into here: __xxx__ methods are only looked up on the class TypeError: can't set attributes of built-in/extension type 'module' (1) means any solution would have to also keep track of which module was being examined, otherwise every modu...
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When increasing the size of VARCHAR column on a large table could there be any problems?

...yself in a similar situation... BE AWARE that while changing from varchar(xxx) to varchar(yyy) is a meta-data change indeed, but changing to varchar(max) is not. Because varchar(max) values (aka BLOB values - image/text etc) are stored differently on the disk, not within a table row, but "out of ro...