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What is the significance of load factor in HashMap?
...crease the likelyhood of hash collisions? -- The hashing algorithm has no knowledge of how many items are in the map or how often it acquires new storage "buckets", etc. For any set of objects of the same size, regardless of how they are stored, you should have the same probability of repeated hash...
How do I exit the Vim editor?
...MAND mode, where you can type short, few character commands, blindly. You know what you are doing; this isn't for amateurs.
When you want to actually edit text, you should go to INSERT mode with some one-character command:
i: go to INSERT in the place of the cursor
I: go to INSERT mode at the beg...
How to “hibernate” a process in Linux by storing its memory to disk and restoring it later?
...e project to be unmantained and impossible to compile with recent kernels.
Now, I found two actively mantained projects providing the application checkpointing feature.
The first, the one I suggest 'cause I have better luck running it, is CRIU
that performs checkpoint/restore mainly in userspace, ...
How to customize a requirements.txt for multiple environments?
...e for prod...
-r common.txt
prod_req==1.0
...
Outside of Heroku, you can now setup environments like this:
pip install -r requirements/dev.txt
or
pip install -r requirements/prod.txt
Since Heroku looks specifically for "requirements.txt" at the project root, it should just mirror prod, like ...
How do I change read/write mode for a file using Emacs?
...there by somebody else: M-x toggle-read-only would work.
However, this is now deprecated and M-x read-only-mode is the current way to do it, that it is set to C-x C-q keybinding.
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Grid of responsive squares
...ou can achieve :
Grid of square images
Grid of squares with content
Now let's see how to make these fancy responsive squares!
1. Making the responsive squares :
The trick for keeping elements square (or whatever other aspect ratio) is to use percent padding-bottom.
Side note: you can us...
Using msbuild to execute a File System Publish Profile
I have a c# .Net 4.0 project created with VS2010 and now being accessed with VS2012.
7 Answers
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PHP PDO: charset, set names?
... It's worth noting that this behaviour changed in 5.3.6, and is now working correctly.
– igorw
Nov 10 '11 at 10:47
...
How do I undo 'git add' before commit?
...used to error out when
you do not have any commits in your history, but it now gives you
an empty index (to match non-existent commit you are not even on).
Documentation: git reset
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ERROR:'keytool' is not recognized as an internal or external command, operable program or batch file
...sing the below command
set PATH=C:\Program Files\Java\jdk1.8.0_211\bin
now the path is set now you can use the keytool
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