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Can you make valid Makefiles without tab characters?
... is like one of those pungee stick traps in The Green Berets: the poor kid from Kansas is walking point in front of John Wayne and doesn’t see the trip wire. After all, there are no trip wires to watch out for in Kansas corn fields. WHAM!
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git diff between cloned and original remote repository
...etch foobar
Fetch won't change your working copy.
3) Compare any branch from your local repository to any remote you've added:
git diff master foobar/master
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What are bitwise operators?
...hen dealing with different sizes of data. For example, reading an integer from four bytes:
int val = (A << 24) | (B << 16) | (C << 8) | D;
Assuming that A is the most-significant byte and D the least. It would end up as:
A = 01000000
B = 00000101
C = 00101011
D = 11100011
val...
Push Notifications in Android Platform
I am looking to write an app that receives pushed alerts from a server. I found a couple of methods to do this.
20 Answer...
How often does python flush to a file?
...fer is full... at which time the buffer gets "flushed" (content is written from the buffer to the file). You can explicitly flush the buffer by calling the flush() method on a file handle.
– Corey Goldberg
Mar 5 '19 at 4:59
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What's the fastest way to delete a large folder in Windows?
... suggestion is the fastest. Install cygwin.com then use rm -rfv folderName from the cygwin command prompt.
– Lonnie Best
Jan 8 '13 at 20:34
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JavaScript, Node.js: is Array.forEach asynchronous?
...s of work to do});
This would be non-blocking then. The example is taken from High Performance JavaScript.
Another option might be web workers.
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Why does the order of the loops affect performance when iterating over a 2D array?
...ter? All memory accesses are the same, right?
No: because of caches. Data from your memory gets brought over to the CPU in little chunks (called 'cache lines'), typically 64 bytes. If you have 4-byte integers, that means you're geting 16 consecutive integers in a neat little bundle. It's actually f...
How to use Git properly with Xcode?
...rough git.
The .pbxproj file is simply a property list (similar to XML). From experience, just about the ONLY merge conflict you were ever get is if two people have added files at the same time. The solution in 99% of the merge conflict cases is to keep both sides of the merge, which for git at l...
Instance variable: self vs @
... Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash.
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