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How can I generate an ObjectId with mongoose?
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44
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String concatenation does not work in SQLite
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39
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Android:What is difference between setFlags and addFlags for intent
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11
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Showing data values on stacked bar chart in ggplot2
...ry(ggplot2)
library(plyr)
# calculate midpoints of bars (simplified using comment by @DWin)
Data <- ddply(Data, .(Year),
transform, pos = cumsum(Frequency) - (0.5 * Frequency)
)
# library(dplyr) ## If using dplyr...
# Data <- group_by(Data,Year) %>%
# mutate(pos = cumsum(Frequency...
Python OpenCV2 (cv2) wrapper to get image size?
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Oh, come on. Instead of assuming that the image will be BGR or mono, just write generally - h, w = img.shape[:2], especially as the OP is not interested in the depth. (Neither was I). See my answer for more details.
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Selecting pandas column by location
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Two approaches that come to mind:
>>> df
A B C D
0 0.424634 1.716633 0.282734 2.086944
1 -1.325816 2.056277 2.583704 -0.776403
2 1.457809 -0.407279 -1.560583 -1.316246
3 -0.757134 -1.321025 1.3...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
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26
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Store select query's output in one array in postgres
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11
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Using ZXing to create an Android barcode scanning app [duplicate]
...() {
public void onClick(View v) {
Intent intent = new Intent("com.google.zxing.client.android.SCAN");
intent.putExtra("SCAN_MODE", "QR_CODE_MODE");
startActivityForResult(intent, 0);
}
};
public void onActivityResult(int requestCode, int resultCode, Intent intent) {...
Load Testing with AB … fake failed requests (length)
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