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How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
I'm working on web application that needs to render a page and make a screenshot on the client (browser) side.
2 Answers
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Better way to cast object to int
...() — For converting an object of unknown type. It will use an explicit and implicit conversion or IConvertible implementation if any are defined.
as int? — Note the "?". The as operator is only for reference types, and so I used "?" to signify a Nullable<int>. The "as" operator works li...
Get list of all tables in Oracle?
...onary table). Of course, you may want to exclude certain schemas like SYS and SYSTEM which have large numbers of Oracle tables that you probably don't care about.
Alternatively, if you do not have access to DBA_TABLES, you can see all the tables that your account has access to through the ALL_TABL...
再说WCF Data Contract KnownTypeAttribute - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...on was closed: The connection was closed unexpectedly.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Net.WebException...
Is there any performance reason to declare method parameters final in Java?
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The final keyword does not appear in the class file for local variables and parameters, thus it cannot impact the runtime performance. It's only use is to clarify the coders intent that the variable not be changed (which many consider dubious reason for its usage), and dealing with anonymous inn...
Removing items from a list [duplicate]
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You need to use Iterator and call remove() on iterator instead of using for loop.
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Oracle “(+)” Operator
I am checking some old SQL Statements for the purpose of documenting them and probably enhancing them.
4 Answers
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How to change the indentation width in emacs javascript mode
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Using this mechanism the tab width remains at 8 and so tabs are only used if indent level is 4 (2x4=8) or more. How do you set tab width to 2 or 4 so that tabs instead of spaces are used? I've tried a bunch of settings, e.g. (setq tab-width 4) but to no avail. My goal: use...
How to get the Parent's parent directory in Powershell?
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Version for a directory
get-item is your friendly helping hand here.
(get-item $scriptPath ).parent.parent
If you Want the string only
(get-item $scriptPath ).parent.parent.FullName
Version for a file
If $scriptPath points to a file then you have to call Directory property on...
Multiple file-extensions searchPattern for System.IO.Directory.GetFiles
...n on Directory.GetFiles() ? For example filtering out files with .aspx and .ascx extensions.
20 Answers
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