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Best practices for SQL varchar column length [closed]
...hen you need to worry about it and make them smaller. But if you only ever select 1 row from that table, then you can just make them all 255 and it won't matter.
See: What are the optimum varchar sizes for MySQL?
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Generate random numbers uniformly over an entire range
... 32767 values in the range, and the remaining 4017233 values will never be selected by this algorithm.
– Mooing Duck
Aug 1 '13 at 18:28
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Center a map in d3 given a geoJSON object
...ction
In code:
var width = 300;
var height = 400;
var vis = d3.select("#vis").append("svg")
.attr("width", width).attr("height", height)
d3.json("nld.json", function(json) {
// create a first guess for the projection
var center = d3.geo.centroid(json)
var scale...
“ArrayAdapter requires the resource ID to be a TextView” xml problems
...lete dropdown i have but it did not allow scrolling nor did it allow me to select any item from the list
– kabuto178
Jan 31 '13 at 20:01
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What is the “__v” field in Mongoose
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@diosney query.select('-__v'). @ExplosionPills you would need to add mongoose middleware like schema.pre('save', function (next) { this.increment(); next(); }).
– wprl
Dec 20 '13 at 19:02
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How to convert std::string to lower case?
...y unrelated) definition of tolower which would end up being preferentially selected without the ::.
– Charles Ofria
Jul 30 '16 at 16:43
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How to capitalize first letter of each word, like a 2-word city? [duplicate]
... Might I recommend using \b\w instead of \w\S* as this will select the first letter of every word, even if the character inbetween is a slash or a dash rather than a space.
– BarryMode
Sep 15 '15 at 20:10
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.
... @oenpelli, What does "API" in "Google APIs" refer to? When we select to install "Google APIs", what actually happens? Does it just download the Android Java libraries used by Google or are there other system code involved?
– Pacerier
Jul 1 '15 at 8...
App Inventor 2 中的响应式设计 · App Inventor 2 中文网
...o change the Screen.Sizing property, on the Designer screen with Screen1 selected in Components, go to Properties on the right-hand side of the App Inventor. You will find a box below “Sizing” that usually defaults to Fixed, located about 2/3 down. This property is set project-wide.
When si...
How to generate keyboard events in Python?
... uparrow = 0x26
rightarrow = 0x27
downarrow = 0x28
select = 0x29
print = 0x2A
execute = 0x2B
printscreen = 0x2C
insert = 0x2D
delete = 0x2E
help = 0x2F
num0 = 0x30
num1 = 0x31
num2 = 0x32
num3 = 0...