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Responding with a JSON object in Node.js (converting object/array to JSON string)
...y:
function random(response) {
console.log("Request handler random was called.");
response.writeHead(200, {"Content-Type": "application/json"});
var otherArray = ["item1", "item2"];
var otherObject = { item1: "item1val", item2: "item2val" };
var json = JSON.stringify({
anObject: othe...
How to fix the aspect ratio in ggplot?
...you need to adjust this with the limits of the variables or plot area (not all limits are nicely divisible by whole numbers like these examples).
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How to set a stroke-width:1 on only certain sides of SVG shapes?
...apes for each stroke or other visual style that you want to vary.
Specifically for this case, instead of using a <rect> or <polygon> element you can create a <path> or <polyline> that only covers three sides of the rectangle:
<!-- Move to 50,50 then draw a line to 150,50...
How to get a URL parameter in Express?
... Thanks alot macek.you save my time.It was my mistake, i did all according to you but in url i was using "tagid" rather than "tagId".
– user2834795
Nov 20 '13 at 7:38
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How to use WinForms progress bar?
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Nice example, but there's a small error in your code. You need to set the backgroundWorker.WorkerReportsProgress to true. Check my edit
– Mana
May 9 '17 at 8:02
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Frequency table for a single variable
... employrate, Length: 139, dtype: float64
putting classification we put all values with a certain range ie.
0-10 as 1,
11-20 as 2
21-30 as 3, and so forth.
gm["employrate"]=gm["employrate"].str.strip().dropna()
gm["employrate"]=pd.to_numeric(gm["employrate"])
gm['employrate'] = np.where(
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Adding Python Path on Windows 7
...f my past mistakes here hoping that it might help someone.
(These apply to all Environmental Variables, not just when setting Python Path)
Watch out for these possible mistakes:
Kill and reopen your shell window: Once you make a change to the ENVIRONMENTAL Variables, you have to restart the windo...
What is the difference between float and double?
...i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the differences between them?
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Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then retrieve the row from the heap). Whe...
How to display hidden characters by default (ZERO WIDTH SPACE ie. ​)
...ing problems with parsing config file of my app... I discovered it accidentally in vi.
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