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Delete all tags from a Git repository
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The order of commands in this answer assumes that there are no local-only tags.
– Acumenus
Jan 18 '19 at 0:49
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Android app in Eclipse: Edit text not showing on Graphical layout
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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How to check if element has any children in Javascript?
...t to know about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a chil...
Is it safe to get values from a java.util.HashMap from multiple threads (no modification)?
...y those that don't allow reads to pass reads), but some optimization and reordering may not occur at compile time - but this effect is generally small. In exchange, you actually get more than what you asked for - not only can you safely publish one HashMap, you can store as many more not-modified Ha...
What is the error “Every derived table must have its own alias” in MySQL?
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How does JavaScript .prototype work?
...roviding extends as the "one true way" to configure the prototype chain in order to simulate classical inheritance in JavaScript.
So, similar to the code above, if you use the class syntax to create a new object like so:
class Parent { inheritedMethod() { return 'this is inherited' } }
class Child...
git reset --hard HEAD leaves untracked files behind
...is script:
git reset --hard HEAD
git clean -f -d
git checkout master
git fetch origin master
git reset --hard origin/master
git pull
git submodule update
git submodule update --init --recursive
git submodule foreach git reset --hard HEAD
git submodule foreach git clean -f -d
git submodule foreach g...
Is Random class thread safe?
...rogram to require such a guarantee, especially as you cannot determine the order in which nextInt() will be called.
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Is it good practice to make the constructor throw an exception? [duplicate]
... recover. Ex. An object constructor loads test data (usernames, passwords, etc.) from a config file. All tests then use the data in config object. Exceptions can be thrown if the file can't be found, data is in wrong format etc. I think the only way we can recover from the exceptions is by making a ...
How can I add new array elements at the beginning of an array in Javascript?
... [thingToInsertToFront].concat(originalArray).reduce(fn).reverse().map(fn) etc... If you use unshift, you can't do that chaining because all you get back is the length.
– StJohn3D
Sep 23 '16 at 18:27
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