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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for ... Right, Instr type commands for similar manipulations. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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jsf - JSTL in JSF2 Facelets... makes sense?

I would like to output a bit of Facelets code conditionally. For that purpose, the JSTL tags seem to work fine: ... ? Is there another way to achieve my goal? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How to use SharedPreferences in Android to store, fetch and edit values

Closed. This question needs to be more focused. It is not currently accepting answers. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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url - Get the values from the "GET" parameters (JavaScript)

I have a URL with some GET parameters as follows: www.test.com/t.html?a=1&b=3&c=m2-m3-m4-m5 I need to get ... I got only m2. How do I do this using JavaScript? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Use a content script to access the page context variables and functions

I'm learning how to create Chrome extensions. I just started developing one to catch YouTube events. I want to use ... , it worked. What am I doing wrong? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - Prototypical inheritance - writing up

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to execute a program or call a system command?

How do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I copy to the clipboard in JavaScript?

What is the best way to copy text to the clipboard (multi-browser)? I have tried: function copyToClipboard(text ... How does Trello access the user's clipboard? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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Why am I getting a NoClassDefFoundError in Java?

I am getting a NoClassDefFoundError when I run my Java application. What is typically the cause of this? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - What's the difference between using "let" and "var"?

ECMAScript 6 introduced the let statement. I've heard that it's described as a local variable, but I'm still not ... ?. When should let be used instead of var? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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javascript - What are the nuances of scope prototypal / prototypical inheritance in AngularJS?

The API Reference Scope page says: A scope can inherit from a parent scope. The Developer Guide Scope ... is it always normal JavaScript prototypal inheritance? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a loop

We all know you can't do the following because of ConcurrentModificationException: for (Object i : l) { if (condition( ... ArrayList, so you can't rely on get. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What are drawbacks or disadvantages of singleton pattern?

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asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - SQL injection that gets around mysql_real_escape_string()

Is there an SQL injection possibility even when using mysql_real_escape_string() function? Consider this sample situation. ... get through the PHP code above? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How can I pivot a dataframe?

What is pivot? How do I pivot? Is this a pivot? Long format to wide format? I've seen a lot of questions that ask about pivot ... 2 a 2 1 1 b 2 1 0 c 1 0 0 Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What is a raw type and why shouldn't we use it?

Questions: What are raw types in Java, and why do I often hear that they shouldn't be used in new code? What is ... can't use raw types, and how is it better? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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How do I extract data from JSON with PHP?

This is intended to be a general reference question and answer covering many of the never-ending "How do I ... this in PHP and access the resulting data? Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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java - What does a "Cannot find symbol" or "Cannot resolve symbol" error mean?

Please explain the following about "Cannot find symbol", "Cannot resolve symbol" or "Symbol not found" ... about these common compilation errors in Java. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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205 views

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html - How do I remove the space between inline/inline-block elements?

Given this HTML and CSS: span { display:inline-block; width:100px; background-color:palevioletred; } Foo Bar Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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272 views

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Can I mix MySQL APIs in PHP?

I have searched the net and so far what I have seen is that you can use mysql_ and mysqli_ together meaning: <?php $con ... are valid at all? (the if(mysq...)) Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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What is the difference between single-quoted and double-quoted strings in PHP?

I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes ... means it is a character, not a string. Question&Answers:os...

asked Oct 16, 2021 in Technique[技术] by 深蓝 (71.8m points)

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117 views

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python - Find matching sequence of items in a list

Here is a test list : test_list = [0,1,2,3,4,5,6,7,8,9] How can I check if this list contains ... ://stackoverflow.com/questions/65829093/find-matching-sequence-of-items-in-a-list...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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php - How to set up a staging environment based on a symlink to prod configuration, without showing debug information?

I would like to setup a staging environment with the same configuration as the prod environment. According to ... staging-environment-based-on-a-symlink-to-prod-configuration-wi...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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llvm error- error expected instruction opcode

I am trying to run this code but I am getting: error: expected instruction opcode label_3: this ... .com/questions/65829059/llvm-error-error-expected-instruction-opcode...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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python - How to remove HTML tags from chatter in Odoo?

In website support model, when I close ticket I have to write a message to send it through email. Then, this ... /questions/65829056/how-to-remove-html-tags-from-chatter-in-odoo...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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195 views

1 answer

javascript - Request blocked by CORS policy when trying to embed Qlik objects

I'm trying to embed Qlik object into my webpage. I'm using the same code that worked with another project I ... /request-blocked-by-cors-policy-when-trying-to-embed-qlik-objects...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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248 views

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Question about Python NumPy 2-dimensional array

I have a NumPy array with size [49152, 3], I want to append another array with same size [ ... stackoverflow.com/questions/65829022/question-about-python-numpy-2-dimensional-array...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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sql - PostgreSQL union a variable of type array to the result set of a query

Is it possible to union a to union a variable to a select statement in PostgreSQL? I have a recursive function at the ... -a-variable-of-type-array-to-the-result-set-of-a-query...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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