akhilesh kumar ojha

2.2K posts

akhilesh kumar ojha banner
akhilesh kumar ojha

akhilesh kumar ojha

@kumarakh

software Engineer RT not endorsement

Katılım Nisan 2011
4.7K Takip Edilen350 Takipçiler
Sabitlenmiş Tweet
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@system_monarch Netflix isn’t solving this per device—the OS,hardware, and DRM ecosystem enforce it for them. The magic piece is Widevine/FairPlay/PlayReady+hardware-backed secure video paths. Netflix sends encrypted video, and your device only decrypts it inside a secure, protected environment.
akhilesh kumar ojha tweet mediaakhilesh kumar ojha tweet media
English
4
4
169
41.3K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@yourclouddude both operands are strings, Python concatenates them, resulting in '53' instead of performing arithmetic addition.
English
0
0
0
2
yourclouddude
yourclouddude@yourclouddude·
Day 10/30 — Python Interview Series 🐍 Interview question: “What is the output of this?” print("5" + "3")
English
4
1
3
184
UPSC REPUBLIC
UPSC REPUBLIC@UpscRepublicX·
Largest Endorheic lake In the world
UPSC REPUBLIC tweet media
English
6
4
65
3.2K
UPSC & PCS NOTES
UPSC & PCS NOTES@UPSC_EDU·
Q. Cabinet Mission came in: A) 1942 B) 1945 C) 1946 D) 1947
English
6
3
24
1.4K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@SumitM_X DISTINCT = deduplicate GROUP BY = group + (optional) aggregate Both DISTINCT and GROUP BY usually have similar performance since they use the same underlying operations like sorting or hashing, unless aggregations or optimizer differences come into play.
akhilesh kumar ojha tweet media
English
0
0
1
123
SumitM
SumitM@SumitM_X·
Which Query has better performance ? SELECT DISTINCT dept FROM emp; vs SELECT dept FROM emp GROUP BY dept;
English
7
1
21
3.2K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@javarevisited BST = tall tree (slow to climb) B-Tree = wide tree (few steps to reach top) B-Trees outperform BSTs in databases because they remain balanced, have high fan-out reducing tree height, and minimize disk I/O, which is the dominant cost in database operations.
English
0
0
2
114
Javarevisited
Javarevisited@javarevisited·
Interviewer: Why does a B-Tree perform better than a BST in databases?
English
4
0
13
2.1K
Math Lover
Math Lover@GeometryPuzzles·
Try to solve this
Math Lover tweet media
English
19
3
9
1.1K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@drishtiiaseng B. Samudra Sahas. The Indian Army's Regiment of Artillery flagged off its first blue-water sailing expedition, named Samudra Sahas, from Mumbai's Marve area as part of the regiment's bicentenary celebrations
English
0
0
0
22
Drishti IAS English
Drishti IAS English@drishtiiaseng·
Indian Army’s first blue-water sailing expedition, part of the Regiment of Artillery’s bicentenary celebrations, is named: A. Samudra Shakti B. Samudra Sahas C. Sagar Veer D. Jal Yatra
English
2
1
4
529
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@UPSC_EDU B) Mohenjo‑daro The Great Bath is a large, well‑built public water tank in the citadel area of Mohenjo‑daro, one of the major cities of the Indus Valley (Harappan) Civilization, now in Sindh province, Pakistan
English
0
0
1
119
UPSC & PCS NOTES
UPSC & PCS NOTES@UPSC_EDU·
Q. The Great Bath is located at: A) Harappa B) Mohenjo-daro C) Dholavira D) Rakhigarhi
English
8
7
88
5.1K
UPSC & PCS NOTES
UPSC & PCS NOTES@UPSC_EDU·
Which State Is the Largest Producer of Peanuts in India?
English
5
3
22
3.1K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@UPSC_EDU The correct answer is B) Mehrgarh. Mehrgarh, located in present-day Balochistan, Pakistan (part of the ancient Indian subcontinent), provides the earliest evidence of agriculture dating back to around 7000 BCE.
English
0
0
0
233
UPSC & PCS NOTES
UPSC & PCS NOTES@UPSC_EDU·
Q. 𝐓𝐡𝐞 𝐞𝐚𝐫𝐥𝐢𝐞𝐬𝐭 𝐞𝐯𝐢𝐝𝐞𝐧𝐜𝐞 𝐨𝐟 𝐚𝐠𝐫𝐢𝐜𝐮𝐥𝐭𝐮𝐫𝐞 𝐢𝐧 𝐈𝐧𝐝𝐢𝐚 𝐜𝐨𝐦𝐞𝐬 𝐟𝐫𝐨𝐦: A) Harappa B) Mehrgarh C) Lothal D) Kalibangan
English
15
4
97
6.4K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@mbtupsc (c) The Infant Mortality Rate (IMR) is a specific demographic measure used to gauge the health of a population.
English
0
0
0
20
MBT UPSC
MBT UPSC@mbtupsc·
𝐄𝐗𝐀𝐌 - 𝐂𝐎𝐌𝐁𝐈𝐍𝐄𝐃 𝐃𝐄𝐅𝐄𝐍𝐂𝐄 𝐒𝐄𝐑𝐕𝐈𝐂𝐄 (𝐈) 𝟐𝟎𝟐𝟔 Which one among the following statements correctly defines the Infant Mortality Rate (IMR) ? #𝐔𝐏𝐒𝐂𝟐𝟎𝟐𝟔 #𝐂𝐀𝐏𝐅 #𝐍𝐃𝐀 #𝐂𝐈𝐒𝐅 #𝐂𝐃𝐒
MBT UPSC tweet media
English
8
5
49
2.4K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@mbtupsc (b) Tur, Urad and Masoor. The Union Cabinet approved the "Mission for Aatmanirbharta in Pulses" (covering the period from 2025–26 to 2030–31) to achieve self-sufficiency and reduce import dependency.
English
0
0
0
14
MBT UPSC
MBT UPSC@mbtupsc·
𝐄𝐗𝐀𝐌 - 𝐂𝐎𝐌𝐁𝐈𝐍𝐄𝐃 𝐃𝐄𝐅𝐄𝐍𝐂𝐄 𝐒𝐄𝐑𝐕𝐈𝐂𝐄 (𝐈) 𝟐𝟎𝟐𝟔 The Government of India has announced a for Aatmanirbharta Mission 6-year in Pulses with a special focus to ensure 100 percent procurement at MSP of : #𝐔𝐏𝐒𝐂𝟐𝟎𝟐𝟔 #𝐂𝐀𝐏𝐅 #𝐍𝐃𝐀 #𝐂𝐈𝐒𝐅 #𝐂𝐃𝐒
MBT UPSC tweet media
English
13
8
96
4.7K
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@UPSC_EDU (a) Vitamin A. carotene is a type of carotenoid, a pigment found in many fruits and vegetables (like carrots and sweet potatoes). In the human body, specifically in the small intestine and liver, -carotene is converted into retinol, which is the active form of Vitamin A.
English
0
0
1
137
akhilesh kumar ojha
akhilesh kumar ojha@kumarakh·
@javarevisited I’d stream the file, count IP frequencies using a hashmap or external aggregation, and maintain a min-heap of size 10 to efficiently track the top IPs within memory limits. MapReduce/Spark for distributed processing Partition by hash(IP) Aggregate→reduce→top K
akhilesh kumar ojha tweet media
English
0
0
0
551
Javarevisited
Javarevisited@javarevisited·
Technical interview question: You have a log file (100GB). You need to find the top 10 most frequent IP addresses. Memory is limited. How would you approach this?
English
13
3
43
7.8K