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multiple prints on the same line in Python
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This doesn't work if you have both prints and a time consuming action in between (all in the same function / indentation level). Before the action starts, there is no output at all and after it is finished the output appears as whole
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How to modify a text file?
...indicated, you can append to a file or overwrite part of it using seek but if you want to add stuff at the beginning or the middle, you'll have to rewrite it.
This is an operating system thing, not a Python thing. It is the same in all languages.
What I usually do is read from the file, make the m...
Determine the path of the executing BASH script [duplicate]
..._PATH="`( cd \"$MY_PATH\" && pwd )`" # absolutized and normalized
if [ -z "$MY_PATH" ] ; then
# error; for some reason, the path is not accessible
# to the script (e.g. permissions re-evaled after suid)
exit 1 # fail
fi
echo "$MY_PATH"
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PHP substring extraction. Get the string before the first '/' or the whole string
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oh. okay. would have been nice if it was possible.
– anon355079
Dec 20 '09 at 14:22
36
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Why are unnamed namespaces used and what are their benefits?
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Unnamed namespaces are a utility to make an identifier translation unit local. They behave as if you would choose a unique name per translation unit for a namespace:
namespace unique { /* empty */ }
using namespace unique;
namespace unique { /* namespace body. stuff in her...
TypeError: Cannot read property 'then' of undefined
...perty 'then' of undefined when calling a Django service using AngularJS.
If you are calling a Python service, the code will look like below:
this.updateTalentSupplier=function(supplierObj){
var promise = $http({
method: 'POST',
url: bbConfig.BWS+'updateTalentSupplier/',
data:su...
Difference between toFixed() and toPrecision()?
...nd toPrecision() to round numbers. However, I can't figure out what the difference between the two is.
8 Answers
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The performance impact of using instanceof in Java
...now that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
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R - Markdown avoiding package loading messages
...ing in a chunk.
```{r include=FALSE}
source("C:/Rscripts/source.R")
```
If you only want to suppress messages, use message=FALSE instead:
```{r message=FALSE}
source("C:/Rscripts/source.R")
```
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how to read value from string.xml in android?
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you can simplify that to this.getString(R.string.some_id) if you're already in a Context (Activity or Service).
– Matthias
Feb 2 '10 at 16:02
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