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Selecting the last value of a column
I have a spreadsheet with some values in column G. Some cells are empty in between, and I need to get the last value from that column into another cell.
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How do I test for an empty JavaScript object?
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// because Object.keys(new Date()).length === 0;
// we have to do some additional check
Object.keys(obj).length === 0 && obj.constructor === Object
Note, though, that this creates an unnecessary array (the return value of keys).
Pre-ECMA 5:
function isEmpty(obj) {
for(var prop in obj)...
Does Spring @Transactional attribute work on a private method?
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The Question is not private or public, the question is: How is it invoked and which AOP implementation you use!
If you use (default) Spring Proxy AOP, then all AOP functionality provided by Spring (like @Transactional) will only be taken into account if the call goes through the proxy. -...
Making WPF applications look Metro-styled, even in Windows 7? (Window Chrome / Theming / Theme)
I like the window chrome on the new Office Suite and Visual Studio:
6 Answers
6
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What is base 64 encoding used for?
...'ve heard people talking about "base 64 encoding" here and there. What is it used for?
18 Answers
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Mixing Angular and ASP.NET MVC/Web api?
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Pure Web API
I used to be pretty hardcore with ASP.NET MVC but since I've met Angular I do not see one reason why I would use any server side content generation framework. Pure Angular/REST(WebApi) gives a richer and smoother result. It's much faster and allows you to...
What is the purpose of “android.intent.category.DEFAULT”?
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Categories are used for implicit Intents. So, If your Activity can be started by an implicit Intent when no other specific category is assigned to activity, activity's Intent filter should include this category. (even if you have other categories in the I...
Best way to run scheduled tasks [closed]
... a console application for running the scheduled tasks for our ASP.NET website. But I think this approach is a bit error prone and difficult to maintain. How do you execute your scheduled task (in an windows/IIS/ASP.NET environment)
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Two-way encryption: I need to store passwords that can be retrieved
...trong class that takes care of everything for you:
What is the safest algorithm to encrypt the passwords with?
safest? any of them. The safest method if you're going to encrypt is to protect against information disclosure vulnerabilities (XSS, remote inclusion, etc). If it gets out, the attacker...
Is there a way for non-root processes to bind to “privileged” ports on Linux?
It's very annoying to have this limitation on my development box, when there won't ever be any users other than me.
23 Answ...