Recent questions tagged syntax

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syntax - SQL Query to truncate table in IBM DB2

Can any one give me the syntax to truncate a table in IBM DB2. I m running the following command: ... ibm.db29.doc.sqlref/db2z_sql_truncate.htm See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Combining multiple attributes in C#

Is there a functional difference between the following syntax... [Foo, Bar] public class Baz {} ...and this ... , which is the preferred form? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Why doesn't "+" operate on characters in R?

Call me lazy, but I just hate typing things like paste("a","b",sep='') all the time. I know that ... it possible to easily change this behavior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Ruby operator method calls vs. normal method calls

I'm wondering why calls to operator methods don't require a dot? Or rather, why can't normal methods be ... method `plus' for main:Object See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Can you take a reference of a builtin function in Perl?

What syntax, if any, is able to take a reference of a builtin like shift? $shift_ref = $your_magic_syntax_here; ... , anyone care to disagree? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - PHP Shorthand ternary operator "?:" Parse error unexpected ":"

I've just uploaded some old PHP files to a new server and am getting parse errors (Unexpected ':') on shorthand ... used PHP for a while now. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - PHP Shorthand ternary operator "?:" Parse error unexpected ":"

I've just uploaded some old PHP files to a new server and am getting parse errors (Unexpected ':') on shorthand ... used PHP for a while now. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Typescript - interface extending another interface with nested properties

I have an interface like: export interface Module { name: string; data: any; structure: { icon: string; label: ... url: string; } } Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Why is equals "-eq" in PowerShell and not just "="?

The constructs -ne, -eq, and -gt looks at least strange. if ($true -eq $true){} but not if ($true = $true){} What is the explanation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - What is the purpose of :: in C#?

I have seen double colons (::) in generated code. I was wondering what its purpose is? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - How to Get Dependency Parse Output from SyntaxNet

How do you get a dependency parse (not syntax tree) output from SyntaxNet (https://github.com/tensorflow/models/ ... parsing out of the box? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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syntax - Tab space in Markdown

I want to use one/multiple Tab space in Markdown. I used, " &nbsp", which is working. But if i ... subtopic2 Any other alternative for &nbsp See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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616 views

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syntax - Convert complex JavaScript object to dot notation object

I have an object like { "status": "success", "auth": { "code": "23123213", "name": "qwerty ... with my serverside controller action binding. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

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syntax - How to use String.format() in Java to replicate tab " "?

I'm printing data line by line and want it to be organized like a table. I initially used firstName + ", " ... Thank you all for the solutions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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856 views

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syntax - What does a fullstop or period or dot (.) mean in Haskell?

I really wish that Google was better at searching for syntax: decades :: (RealFrac a) => a -> a -> [a] -> Array Int Int ... s) s = 10 / (b - a) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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536 views

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syntax - How to instantiate an object in TypeScript by specifying each property and its value?

Here's a snippet in which I instantiate a new content object in my service: const newContent = new Content( result. ... result.obj.user._id, ); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

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syntax - suppressing output variables in matlab

I am using a function with multiple outputs in Matlab, but am only interested in one of the outputs. I would ... memory? Thanks for your help. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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496 views

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syntax - PHP array indexing: $array[$index] vs $array["$index"] vs $array["{$index}"]

What is the difference, if any, between these methods of indexing into a PHP array: $array[$index] $array["$index"] $array ... 200 [2] => 300 ) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

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syntax - Why does C# allow {} code blocks without a preceding statement?

Why does C# allow code blocks without a preceding statement (e.g. if, else, for, while)? void Main() { { // ... this? Console.Write("foo"); } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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527 views

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syntax highlighting - braces and operators coloring in vim for c++?

I want to customize a syntax coloring in vim for c++. But, unfortunately, i still can't find a correct ... to set color for items mentioned? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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695 views

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syntax - How to do a single line If statement in VBScript for Classic-ASP?

The "single line if statement" exists in C# and VB.NET as in many other programming and script languages in the ... what's the extact syntax? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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534 views

1 answer

syntax error - In Ruby, how do I check if method "foo=()" is defined?

In Ruby, I can define a method foo=(bar): irb(main):001:0> def foo=(bar) irb(main):002:1> p ... and passed correctly to the defined? operator. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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625 views

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syntax - Ruby: Proc.new { 'waffles' } vs. proc { 'waffles' }

In Ruby, are there any differences between Proc.new { 'waffles' } and proc { 'waffles' }? I have found ... second syntactic sugar for the first? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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747 views

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syntax - conditional execution (&& and ||) in powershell

There's already question addressing my issue (Can I get && to work in Powershell?), but with one difference ... -arg1 Gives syntax error. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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607 views

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syntax - What is bang dollar (!$) in Bash?

Bang dollar seems to refer to the last part of the last command line. E.g. $ ls -l .... something $ !$ ... !) but not on this. Any explanation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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804 views

1 answer

syntax - What does it mean to pass `_` (i.e., underscore) as the sole parameter to a Dart language function?

I'm learning Dart and see the following idiom a lot: someFuture.then((_) => someFunc()); I have ... a prefix for declaring private functions. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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391 views

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syntax - Why must delegation to a different constructor happen first in a Java constructor?

In a constructor in Java, if you want to call another constructor (or a super constructor), it has to be the first line ... i) { this.i = i; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

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syntax - Is it OK to use == on enums in Java?

Is it OK to use == on enums in Java, or do I need to use .equals()? In my testing, == always works, but ... )) { //do something } //etc } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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