comparison

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Syntax to check isset using comparison operators

Just like how we do in other languages to check for a condition in one line. Is it possible to do it in PHP?开发者_开发问答[详细]

2023-04-01 09:32 分类：问答
How to run a series of checks?

I\'m trying to run a series of if/else statements but right now they basically end up being deeply nested if/else statements.[详细]

2023-04-01 01:49 分类：问答
Comparison between Vaadin and ZK

Does someone know of a comparison between ZK and Vaadin? I\'m especially interested which of the two is better suited for a dyn开发者_高级运维amic web app (i.e. where the layout and POJOs are defined[详细]

2023-04-01 00:20 分类：问答
php mysql compare checboxes returned values with field values

I have a form which sends selected values from a checkbox list to a php script this way: $selected_languages=$_POST[\"selected_languages\"]; // --> \"en-GB,it,fr\"[详细]

2023-03-31 12:36 分类：问答
Python: if not val, vs if val is None

I\'ve always coded in the style of if not value, however, a few guides have brought to my attention that while this style works, it seems to have 2 potential problems:[详细]

2023-03-30 11:56 分类：问答
How do I compare relative file or directory paths in C#?

There was already a question about comparis开发者_StackOverflowon of file paths in C#. But the solution provided implies that I have absolute paths. Can anyone suggest a good solution for relative pat[详细]

2023-03-30 05:07 分类：问答
What's the difference between equal?, eql?, ===, and ==?

I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object.[详细]

2023-03-30 04:08 分类：问答
Compare two arraylist

I have two Arraylists: ArrayList a1 = new ArrayList(); a1.add(\"5\"); a1.add(\"10\"); a1.add(\"20\"); a1.add(\"50\");[详细]

2023-03-30 02:43 分类：问答
.NET - Floating Point Comparison

Comparing floating point numbers(double, float) in .net directly for equality is not safe. A double value in a variable may change over time by very small amount. For example, if you set the variable[详细]

2023-03-29 15:22 分类：问答
Where would a suffix array be preferable to a suffix tree?

Two closely-related data structures are the suffix tree and suffix array.From what I\'ve read, the suffix tree is faster, more powerful, more flexible, and more memory-efficient than a suffix array.Ho[详细]

2023-03-29 08:35 分类：问答