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Can two different strings generate the same MD5 hash code?
...t you should worry about. Considering the birthday paradox, given a set of 2^64 (or 18,446,744,073,709,551,616) assets, the probability of a single MD5 collision within this set is 50%. At this scale, you'd probably beat Google in terms of storage capacity.
However, because the MD5 hash function ha...
How to Apply Corner Radius to LinearLayout
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280
You can create an XML file in the drawable folder. Call it, for example, shape.xml
In shape.x...
ggplot2 keep unused levels barplot
...ed to set drop=FALSE on both scales (fill and x) like this:
library(ggplot2)
df <- data.frame(type=c("A", "A", "A", "B", "B"), group=rep("group1", 5))
df1 <- data.frame(type=c("A", "A", "A", "B", "B", "A", "A", "C", "B", "B"), group=c(rep("group1", 5),rep("group2", 5)))
df$type <- factor(d...
What is RSS and VSZ in Linux memory management
...from shared libraries.
So if process A has a 500K binary and is linked to 2500K of shared libraries, has 200K of stack/heap allocations of which 100K is actually in memory (rest is swapped or unused), and it has only actually loaded 1000K of the shared libraries and 400K of its own binary then:
RS...
Can I convert long to int?
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218
Just do (int)myLongValue. It'll do exactly what you want (discarding MSBs and taking LSBs) in ...
MYSQL import data from csv using LOAD DATA INFILE
I am importing some data of 20000 rows from a CSV file into Mysql.
11 Answers
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How to configure encoding in Maven?
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edited Oct 1 '15 at 22:24
BuZZ-dEE
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Is “inline” without “static” or “extern” ever useful in C99?
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edited Jan 29 at 4:42
Jonathan Leffler
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Overriding fields or properties in subclasses
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Fields by themselves cannot be overridden. Which is exactly why Option 2 returns the new keyword warning.
The solution to the warning is not to append the “new” keyword, but to implement Option 1.
If you need your field to be polymorphic you need to wrap it in a Property.
Option 3 is O...
Resize fields in Django Admin
... CharField, also 6 or 8 chars wide, and then the edit box goes up to 15 or 20 chars.
14 Answers
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