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Functional style of Java 8's Optional.ifPresent and if-not-Present?
In Java 8, I want to do something to an Optional object if it is present, and do another thing if it is not present.
12 A...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思三个IT屌丝创业的故事从前有三个屌丝，聚在一起做网络。提供免费的网络服务，砸锅卖铁，通宵达旦，除了卖肾，啥都做了。3年后终于做到了五...
三个IT屌丝创业的故事
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How to concatenate text from multiple rows into a single text string in SQL server?
Consider a database table holding names, with three rows:
47 Answers
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Entity Framework Provider type could not be loaded?
I am trying to run my tests on TeamCity which is currently installed on my machine.
34 Answers
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Remove Server Response Header IIS7
... be helpful if we don't have admin right to server. Also I don't want to write ISAPI filter.
20 Answers
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Android: Last line of textview cut off
...tal LinearLayout containing a TextView followed by a Spinner next to it. This LinearLayout is dynamically inflated multiple times in a fixed vertical LinearLayout contained within a RelativeLayout .
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Change one value based on another value in pandas
...cing and indexing features to logically evaluate the places where your condition holds and overwrite the data there.
Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you.
import pandas
df = pandas.read_csv("test.csv")
df.loc[df....
Writing files in Node.js
I've been trying to find a way to write to a file when using Node.js, but with no success. How can I do that?
19 Answers
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Is there a RegExp.escape function in Javascript?
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The function linked above is insufficient. It fails to escape ^ or $ (start and end of string), or -, which in a character group is used for ranges.
Use this function:
function escapeRegex(string) {
return string.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
}
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ASP.NET MVC - Set custom IIdentity or IPrincipal
...fairly simple: in my ASP.NET MVC application, I want to set a custom IIdentity / IPrincipal. Whichever is easier / more suitable. I want to extend the default so that I can call something like User.Identity.Id and User.Identity.Role . Nothing fancy, just some extra properties.
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