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security - In what cases will HTTP_REFERER be empty

I know it's possible to get an empty HTTP_REFERER. Under what circumstances does this happen? If I get an empty ... under what circumstances do I get that too? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How to run eclipse in clean mode? what happens if we do so?

If something is not working properly or some plug-ins are not loaded properly in my Eclipse I often get suggestion to ... mode? And what happens if I do so? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Executing <script> injected by innerHTML after AJAX call

There's a div called "Content": <div id="content"></div> It should be filled with data from a PHP file, by AJAX ... -- More stuff that DOES work here --> </div> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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In R, how to get an object's name after it is sent to a function?

I am looking for the reverse of get(). Given an object name, I wish to have the character string representing that object ... print(a) return(mean.x)} test("z") Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - How do I programmatically change file permissions?

In Java, I'm dynamically creating a set of files and I'd like to change the file permissions on these files on a ... , but I'd like to avoid that if possible. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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swift - Why can't a get-only property requirement in a protocol be satisfied by a property which conforms?

Why does the following code produce an error? protocol ProtocolA { var someProperty: ProtocolB { get } } protocol ... or is there some reason this makes sense? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I create lists from a list of strings?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to iterate over the keys and values with ng-repeat in AngularJS?

In my controller, I have data like: $scope.object = data Now this data is the dictionary with keys and values from json ... ": "ewew", "eet_no": "ewew", } Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do you generate dynamic (parameterized) unit tests in Python?

I have some kind of test data and want to create a unit test for each item. My first idea was to do it ... one test for each item on the fly. Any suggestions? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - Convert DataFrame column type from string to datetime, dd/mm/yyyy format

How can I convert a DataFrame column of strings (in dd/mm/yyyy format) to datetimes? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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encoding - Microsoft Excel mangles Diacritics in .csv files?

I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note ... the import wizard, or non-default wizard settings? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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r - Is the "*apply" family really not vectorized?

So we are used to say to every R new user that "apply isn't vectorized, check out the Patrick Burns R ... and what did Patrick Burns really mean to say? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to get the previous URL in JavaScript?

Is there any way to get the previous URL in JavaScript? Something like this: alert("previous url is: " + ... to the current URL without anchors and all that. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - Htaccess: add/remove trailing slash from URL

My website runs a script called -> WSS wallpaper script My Problem -> I have been trying to force remove or add ... net/$1 [R=301,L] ## index reslove ## Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to make audio autoplay on chrome

Audio autoplay is working in Mozilla, Microsoft Edge and old Google Chrome as well but not in new Google Chrome. ... to make it audio autoplay in Google Chrome? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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961 views

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mod rewrite - How to debug Apache mod_rewrite

I have two main problems with mod_rewrite: There is no meaningful error reported when I have an ... their secrets to efficiently managing mod_rewrite code. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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printing - multiple prints on the same line in Python

I want to run a script, which basically shows an output like this: Installing XXX... [DONE] Currently, I print ... and [DONE] on the same line. Any ideas? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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89 views

1 answer

css - Applying a background to <html> and/or <body>

$("#toggle").click(function(){ $("html").toggleClass("bg"); }); html.bg { background: blue; } body { ... ">Toggle HTML background</button> </body> </html> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Is it possible to embed and execute VBScript within a batch file without using a temporary file?

People have been embedding and executing VBScript within batch files for a long time. But all the published ... within batch without writing a temporary file? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Is it possible to use JS to open an HTML select to show its option list?

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asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What do numbers starting with 0 mean in python?

When I type small integers with a 0 in front into python, they give weird results. Why is this? >>> 011 9 >>> ... still integers: >>> type(027) <type 'int'> Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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122 views

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Relational algebra for banking scenario

I don't know how to solve the relational algebra questions. Deposit (Branch, Acc-No, Cust-Name, Balance) Loan (Branch, ... > 2000 ∧ branch = 'Romford' (Loan) ) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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objective c - Get the current first responder without using a private API

I submitted my app a little over a week ago and got the dreaded rejection email today. It tells me that my app ... for a way that won't get my app rejected. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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51 views

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python - How to get the last day of the month?

Is there a way using Python's standard library to easily determine (i.e. one function call) the last ... support that, does the dateutil package support this? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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161 views

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java - "Invalid signature file" when attempting to run a .jar

My java program is packaged in a jar file and makes use of an external jar library, bouncy castle. My code ... could offer some help, I would be obliged. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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274 views

1 answer

javascript - onKeyPress Vs. onKeyUp and onKeyDown

What is the difference between these three events? Upon googling I found that: The onKeyDown event is triggered when the ... , can someone clear this up for me? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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79 views

1 answer

sql - MySQL LIKE IN()?

My current query looks like this: SELECT * FROM fiberbox f WHERE f.fiberBox LIKE '%1740 %' OR f.fiberBox LIKE ' ... 've never seen. MySQL 5.0.77-community-log Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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68 views

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c# - How to convert JSON to XML or XML to JSON?

I started to use Json.NET to convert a string in JSON format to object or viceversa. I am not sure in the ... a string in JSON to XML format and viceversa? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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