[Solved] File after using php’s unlink function [closed]

[ad_1] Will the file be deleted permanently or is it still somewhere in the server? The file will be deleted. If the server’s OS and/or file system has a mechanism to recover deleted files, then it may be recoverable by that mechanism. If the file system doesn’t over-write the location of the file on the … Read more

[Solved] Uncaught SyntaxError: Unexpected token ) [closed]

[ad_1] Ithink you just forgot the { } for the last function: function getSerialOverride() { xdl_read_config( “xdl_serialports_onboard_override”, function(response){processSerialOverrideResponse(response);}, function(xhr, status, error){} ); } [ad_2] solved Uncaught SyntaxError: Unexpected token ) [closed]

[Solved] Twitter bootstrap datepicker is not working in rails

[ad_1] Add //= require_self to application.js this includes its own file contents too. This has to be done explicitly. also keep the application.js formatted //= require jquery //= require jquery_ujs //= require bootstrap //= require bootstrap-datepicker //= require picker //= require_tree . //= require_self $(function() { $(‘#dp5’).datepicker() }); // Do not keep bank spaces between … Read more

[Solved] custom tableviewcell and autolayout

[ad_1] You can definitely use any kind of UIView without using IB, this includes a UITableViewCell. What you could do is in your – (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier method, you can configure all the constraints, you can set every single subview that you want for your tableview to CGRectZero, and add them to the cell’s contentView, … Read more

[Solved] What does & in C++ function arguments list mean? [duplicate]

[ad_1] The reason Stroustrup gives for introducing references to C++ is operator overloading. http://www.stroustrup.com/bs_faq2.html#pointers-and-references In your example function bar, it is no big deal whether the user has to call it as bar(&x) (because it takes a pointer), or can call it with bar(x) (because it takes a reference). At least, C programmers think it … Read more

[Solved] difference -in “Create databse” and “create database if not exists”

[ad_1] CREATE DATABASE IF NOT EXISTS database_name will execute the CREATE DATABASE database_name only if the database_name does not already exist. If the database_name does not exit, both queries will do the same job, that is they create the database_name. If the database_name exits, CREATE DATABASE database_name will return an error similar to “the database … Read more

[Solved] What is the result of calling return in a non-void function after calling a function returning int?

[ad_1] The issue here is you don’t seem to understand what undefined behavior means. When you invoke undefined behavior, anything can happen. Your program can crash, it can generate unexpected results, or it can appear to work correctly. Making a seeming unrelated change, such as adding an unused variable or an extra call to printf, … Read more

[Solved] Database relationships why should I use them? [closed]

[ad_1] You are talking about two different concepts here: Data input: Relationships is one of the methods used to ensure data integrity. It restricts what data can be inserted to the database. Data retrieval: The LEFT JOIN that you mentioned is on of the methods used to retrieve the data from the database. It, kind … Read more

[Solved] How can i validate if List is empty? [duplicate]

[ad_1] You could use Any Or Count to check if the list is empty or not, like the following code : if(listchannel == null || !listchannel.Any()) { } //Or if(listchannel == null || listchannel.Count == 0) { } I hope you find this helpful. 4 [ad_2] solved How can i validate if List is empty? … Read more

[Solved] Random Sentence generator in HTML / JavaScript [closed]

[ad_1] Using php and javascript I created 2 files. call.php – Retrieves a sentence from a database and prints one of them (Random) index.html – A page with a button that runs a function which retrieves a sentence from call.php call.php: <?php $db_host = “localhost”; //Host address (most likely localhost) $db_name = “DATABASE_NAME”; //Name of … Read more