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datetime dtypes in pandas read_csv
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I was having error as I was passing single string name of column, now I understand that I needed to pass list for a single value also.
– TapanHP
Jul 12 '19 at 10:40
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JS Client-Side Exif Orientation: Rotate and Mirror JPEG Images
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window.loadImage("/your-image.jpg", function (img) {
if (img.type === "error") {
console.log("couldn't load image:", img);
} else {
window.EXIF.getData(img, function () {
var orientation = EXIF.getTag(this, "Orientation");
var canvas = window.loadImage.scale(img, {orien...
How can Xml Documentation for Web Api include documentation from beyond the main project?
...urn propertyNode;
}
return null;
}
d. And last, fix all compiler errors (there should be three) resulting in references to _documentNavigator.SelectSingleNode and remove the _documentNavigator. portion so that it now calls the new SelectSingleNode method we defined above.
This Last step ...
Rails: Using build with a has_one association in rails
...ser.build_profile # this will work
user.profile.build # this will throw error
Read the has_one association documentation for more details.
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Diff output from two programs without temporary files
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I tried this solution with a Java program and got this error: -bash: syntax error near unexpected token ('. I tried again without parenthesis and got -bash: java: No such file or directory. Does it not work if the command has parameters?
– styfle
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What's the difference between String(value) vs value.toString()
...ll or undefined, you can't use the toString method, it will give you a TypeError exception:
var value = null;
String(null); // "null"
value.toString(); // TypeError
The String constructor called as a function would be roughly equivalent to:
value + '';
The type conversion rules from Object...
Automatically create an Enum based on values in a database lookup table?
...it this way. You loose your compile time checks and become prone to typing errors. All benefits of enums gone. You could introduce string constants, but then you are back where you started.
– Daniel Brückner
Apr 7 '09 at 11:10
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How to create a temporary directory?
...aybe the /tmp filesystem is full or has been remounted read only due to an error?); then cd $(mktemp -d) will evaluate to cd which changes to the user's home directory, which would subsequently be deleted.
– Jules
May 8 '17 at 7:11
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How to invoke a Linux shell command from Java
...o the typical problem of it hanging because you didn't read its output and error streams. For example: stackoverflow.com/questions/8595748/java-runtime-exec
– Evgeni Sergeev
Dec 11 '14 at 8:46
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Behaviour of increment and decrement operators in Python
...d to be consistent and readable.
Confusing side-effects. One common newbie error in languages with ++ operators is mixing up the differences (both in precedence and in return value) between the pre- and post-increment/decrement operators, and Python likes to eliminate language "gotcha"-s. The preced...