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How can I perform a `git pull` without re-entering my SSH password?

...use the key! Neither do I! Thankfully, there’s a nifty little tool called ssh-agent that can save your passphrase securely so you don’t have to re-enter it. If you’re on OSX Leopard or later your keys can be saved in the system’s keychain to make your life even easier. Most linu...
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Facebook Open Graph not clearing cache

...fresh even if you delete the thumnail/image from your server. But Facebook allows you to refresh by using fbrefresh I hope this helps. share | improve this answer | follow ...
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Check if table exists in SQL Server

...bleName', 'U') to guarantee the object is a table. – Allon Guralnek Oct 4 '11 at 16:41 1 ...
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appending array to FormData and send via AJAX

... add all type inputs to FormData const formData = new FormData(); for (let key in form) { Array.isArray(form[key]) ? form[key].forEach(value => formData.append(key + '[]', value)) : formData.append(key, for...
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Hidden Features of Java

...en I first discovered it, never heard of it before. ThreadLocals are typically not so widely known as a way to store per-thread state. Since JDK 1.5 Java has had extremely well implemented and robust concurrency tools beyond just locks, they live in java.util.concurrent and a specifically interest...
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MFC CListCtrl使用方法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术

...风格为report相关类及处理函数MFC:CListCtrl类SDK:以 ListView_开头的一些宏。如 ListView_InsertCol 以下未经说明,listctrl默认view 风格为report 相关类及处理函数 MFC:CListCtrl类 SDK:以 “ListView_”开头的一些宏。如 ListView_InsertColumn ...
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Remove all special characters from a string in R?

How to remove all special characters from string in R and replace them with spaces ? 3 Answers ...
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Difference between Java Enumeration and Iterator

...n Enumeration: Iterators differ from enumerations in two ways: Iterators allow the caller to remove elements from the underlying collection during the iteration with well-defined semantics. Method names have been improved. The bottom line is, both Enumeration and Iterator will give successive el...
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Is it safe to delete a void pointer?

... It depends on "safe." It will usually work because information is stored along with the pointer about the allocation itself, so the deallocator can return it to the right place. In this sense it is "safe" as long as your allocator uses internal boundary tag...
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Check synchronously if file/directory exists in Node.js

... Note that fs.exists() is deprecated, but fs.existsSync() is not. (The callback parameter to fs.exists() accepts parameters that are inconsistent with other Node.js callbacks. fs.existsSync() does not use a callback.) You've specifically asked for a synchronous check, but if you can use an ...