According to a study published in the journal Science, researchers estimate that the Tonga eruption in January sent at least 55 million tons of water vapor into the stratosphere, which could lead to a small peak in global warming, or temporarily More depletion of the protective ozone layer in the atmosphere. The Tonga volcano erupted […]
Tonga volcanic eruption exacerbates global warming in short term Read More »
In the attack on Northwestern Polytechnical University, the NSA was found to have hacked into telecommunications infrastructure, the English-language Global Times reported . To investigate the cyber attack, the National Computer Virus Emergency Response Center and Qihoo 360 jointly launched a comprehensive technical analysis. They found that NSA TAO (Tailored Access Operations) used 41 types
Global Times reports that NSA hacked telecom infrastructure Read More »
Title map | Leapmotor official website Welcome to the WeChat subscription number of “Sina Technology”: techsina Written | Edited by Qian Qian | Li Xinma Source: DoNews Seven years after its establishment and three years after the official delivery of vehicles, Leapmotor, which has grown rapidly, has been shortlisted for the second echelon of new
Leapmotor “leads” in losses Read More »
Welcome to the WeChat subscription number of “Sina Technology”: techsina Text / Zhou Xiongfei Source/Link Travel (ID: lianxiachuxing) In addition to Apple, Nvidia’s annual technology conference is also dubbed the “Spring Festival Gala” by some netizens. The reason why it is called “Spring Festival Gala” is because at each conference, NVIDIA will come up with
The sword refers to Qualcomm, Mobileye, Nvidia’s radicalism and dilemma Read More »
In the impression of most people, the realization of L4-level autonomous driving is inseparable from complex sensors, large computing power chips, and software and hardware such as high-precision maps that are updated in time. become an expensive luxury. In this case, some innovators are trying to “reduce” hardware and software for self-driving cars by enhancing
Skip Protocol is an MEV infrastructure provider that aims to build on-chain and off-chain MEV infrastructure to help users, stakers and validators share MEV benefits, enabling searchers to execute more complex and profitable strategies. Skip announced the completion of a $6.5 million funding round from investors including Bain Capital Crypto, Galaxy Digital, Robot Ventures and
Skip Protocol secures $6.5 million in seed funding Read More »
Block Green is a Bitcoin mining liquidity DeFi protocol that allows Bitcoin miners to lend with hash power as collateral, and Bitcoin holders can lend out assets and earn revenue from the Bitcoins these miners produce. Block Green closed a $3.7 million seed round led by Peter Thiel’s Founders Fund, with participation from Coinbase Ventures,
Block Green raises $3.7 million in seed funding Read More »
Xinli Sensing is a manufacturer and service provider of sensor products, affiliated to Jiangxi Xinli Sensing Technology Co., Ltd. Recently, Xinli Sensing has obtained a new round of financing of 30 million yuan. The investors are Hanwei Technology and Zhengzhou High-tech Zone Industrial Development Guidance Fund. The post-investment valuation is 110 million yuan, accounting for
Xinli Sensing has obtained a strategic investment of 30 million yuan Read More »
In this age of mass awakening, we often hear “we need to explore ourselves and understand ourselves”. But suppose we rudely divide people into three categories: those who think they don’t need to find themselves (or those who don’t know the importance of “finding themselves”), those who are searching for themselves, and those who have
Exploring yourself is a long way Read More »
Japan announced a new entry policy that will be implemented on October 11: the cap on the number of people entering a single day will be lifted, the ban on individual independent travel will be lifted, and visa requirements will be waived for short-term stays. This move is intended to use the depreciation effect of
Japan will open to entry Read More »
1.for in The for in loop is the most basic way to traverse an object, and it also gets the properties on the object’s prototype chain // Create an object and specify its prototype, bar is a property on the prototype const obj = Object . create ( { bar : ‘bar’ } ) //
5 ways to iterate over objects in JS Read More »
Method 1: indexOf() (recommended) var str = “123”; console.log(str.indexOf(“3”) != -1 ); // true The indexOf() method returns the first occurrence of a specified string value in a string. If the string value to be retrieved does not appear, the method returns -1. Method 2: search() var str = “123”; console.log(str.search(“3”) != -1 ); //
js to determine whether a string contains a string of five methods Read More »
select last_name , job_id from employees where manager_id is null ; select last_name , job_id from employees where manager_id <=> Null ; select last_name , job_id from employees where manager_id = Null ; last = null is wrong If one of the values, strings, or expressions on either side of the equal sign is NULL,
Problems using mysql “=null” Read More »