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Search and replace a line in a file in Python
I want to loop over the contents of a text file and do a search and replace on some lines and write the result back to the file. I could first load the whole file in memory and then write it back, but that probably is not the best way to do it.
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How to move the cursor word by word in the OS X Terminal
I know the combination Ctrl + A to jump to the beginning of the current command, and Ctrl + E to jump to the end.
17 A...
Python AttributeError: 'module' object has no attribute 'Serial' [duplicate]
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I tried. not work. The error will be "ImportError: cannot import name serial"
– Zhang LongQI
May 12 '14 at 10:10
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Swift compiler error: “non-modular header inside framework module”
...I would like to migrate my ObjC framework to Swift and I got the following error:
20 Answers
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Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...pends and its profiling mode (F7). After the app has started and shown the error, libEGL.dll appeared in the dependencies list.
– lapis
Sep 24 '14 at 9:49
17
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Is == in PHP a case-sensitive string comparison?
I was unable to find this on php.net. Is the double equal sign ( == ) case sensitive when used to compare strings in PHP?
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Java 7 language features with Android
...Exception chaining constructors in ConcurrentModificationException, LinkageError and AssertionError
The static .compare() methods for primitives: Boolean.compare(), Byte.compare(), Short.compare(), Character.compare(), Integer.compare(), Long.compare().
Currency: .getAvailableCurrencies(), .getDispl...
Efficient way to determine number of digits in an integer
... for all relevant k. That is is it guaranteed that any inevitable rounding error goes in the right direction. k + eps as a result works, k - eps doesn't. And "Perfectly precise" is naïve.
– gnasher729
Aug 1 '15 at 8:26
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How to change the default collation of a table?
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answered Apr 12 '09 at 19:05
fredrikfredrik
12.6k44 gold badges3131 silver badges4949 bronze badges
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Is the practice of returning a C++ reference variable evil?
...ge
int& getInt()
{
int x = 4;
return x;
}
This is obviously error
int& x = getInt(); // will refer to garbage
Usage with static variables
int& getInt()
{
static int x = 4;
return x;
}
This is right, because static variables are existant throughout lifetime of a pro...