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Rename a dictionary key
...there a way to rename a dictionary key, without reassigning its value to a new name and removing the old name key; and without iterating through dict key/value?
In case of OrderedDict, do the same, while keeping that key's position.
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Reverse a string in Java
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You can use this:
new StringBuilder(hi).reverse().toString()
Or, for versions earlier than JDK 1.5, use java.util.StringBuffer instead of StringBuilder — they have the same API. Thanks commentators for pointing out that StringBuilder is pr...
Partly cherry-picking a commit with Git
...
I know I'm answering an old question, but it looks like there's a new way to do this with interactively checking out:
git checkout -p bc66559
Credit to Can I interactively pick hunks from another git commit?
shar...
How to change value of object which is inside an array using JavaScript or jQuery?
... }
}
and use it like
var projects = [ ... ];
changeDesc ( 'jquery-ui', 'new description' );
UPDATE:
To get it faster:
var projects = {
jqueryUi : {
value: 'lol1',
desc: 'lol2'
}
};
projects.jqueryUi.desc = 'new string';
(In according to Frédéric's comment you shouldn...
Do I need to close() both FileReader and BufferedReader?
...ed out, you only need to close the outer wrapper.
BufferedReader reader = new BufferedReader(new FileReader(fileName));
There is a very slim chance that this could leak a file handle if the BufferedReader constructor threw an exception (e.g. OutOfMemoryError). If your app is in this state, how ca...
How to open the Google Play Store directly from my Android application?
.../ getPackageName() from Context or Activity object
try {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("market://details?id=" + appPackageName)));
} catch (android.content.ActivityNotFoundException anfe) {
startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse("https://play.google.c...
Node.js Mongoose.js string to ObjectId function
...goose.Types.ObjectId(id) but my id is undefined then what it will return ? new id or error
– Keval Bhatt
Dec 17 '15 at 9:14
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Python - write() versus writelines() and concatenated strings
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Why am I unable to use a string for a newline in write() but I can use it in writelines()?
The idea is the following: if you want to write a single string you can do this with write(). If you have a sequence of strings you can write them all using writelines().
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Sorting an IList in C#
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It will create a new enumerable, which may not be desirable in some scenarios. You cannot sort an IList<T> in-place through the interface except by using ArrayList.Adapter method in my knowledge.
– Tanveer Badar
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How do I clone a job in Jenkins?
...s is accomplished through jobs set up in Jenkins . We have now created a new branch ( git ) and I guess I need to clone the existing jobs pointing to the other branch so that this same workflow occurs and builds are performed on every commit. Can somebody explain how I would clone these jobs? I d...