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Updating and committing only a file's permissions using git version control
... way to commit the file into git, so that the executable bit will be restored/set on clone / checkout / pull ?
3 An...
How to get error message when ifstream open fails
How to get error message as string?
4 Answers
4
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How to toggle a value in Python
...T
If the values are boolean, the fastest approach is to use the not operator:
>>> x = True
>>> x = not x # toggle
>>> x
False
>>> x = not x # toggle
>>> x
True
>>> x = not x # toggle
>>> x
False
Solution using su...
Create or write/append in text file
I have a website that every time a user logs in or logs out I save it to a text file.
7 Answers
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How to upgrade Git on Windows to the latest version?
I just upgraded to Git 1.8.0.1 for Windows, from my previous version 1.7.9.mysysgit.0. I downloaded the new version from the Git site and installed through the normal Git installer EXE.
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Git Server Like GitHub? [closed]
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You can just set up an ssh server and run a central repository there. All developers then simply agree (as a matter of policy) to push to the server when they are done making commits. This is the usage pattern at my workplace. Very CVS and SVN-like.
Find somewhere to put the reposi...
How many String objects will be created when using a plus sign?
...e = "1";
const String two = "2";
const String result = one + two + "34";
or as literals, as in the original question:
String result = "1" + "2" + "3" + "4";
then the compiler will optimize away those + signs. It's equivalent to:
const String result = "1234";
Furthermore, the compiler will r...
Why switch is faster than if
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@fivetwentysix: No, refer to this for info: artima.com/underthehood/flowP.html . Quote from article: When the JVM encounters a tableswitch instruction, it can simply check to see if the key is within the range defined by low and high. If not, it takes the defa...
add a string prefix to each value in a string column using Pandas
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thank you. if of interest, dataframe indexes also support such string manipulations.
– tagoma
Jul 10 '17 at 21:30
2
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What is the idiomatic way to compose a URL or URI in Java?
How do I build a URL or a URI in Java? Is there an idiomatic way, or libraries that easily do this?
7 Answers
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