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Subversion stuck due to “previous operation has not finished”?
...ng (this is via Tortoise SVN);
Right click on folder
Go to TortoiseSVN -> Clean Up...
Make sure the option to Break Locks is ticked and click OK
The Clean Up operation now completes successfully and I can continue. No downloading of sqlite3 or other convoluted solutions required.
...
Adding :default => true to boolean in existing Rails column
...mmend in production).
When you added t.boolean :show_attribute, :default => true to the create_profiles migration, it's expected that it didn't do anything. Only migrations that have not already been ran are executed. If you started with a fresh database, then it would set the default to true.
...
How do I seed a random class to avoid getting duplicate random values [duplicate]
... in a loop. Try something like:
var rnd = new Random();
for(int i = 0; i < 100; ++i)
Console.WriteLine(rnd.Next(1, 100));
The sequence of random numbers generated by a single Random instance is supposed to be uniformly distributed. By creating a new Random instance for every random number ...
Is C++14 adding new keywords to C++?
... the needs of new niches. Python is one example. Other examples are C++ --> Java, Java --> Scala, Common Lisp --> Clojure, C++ --> D. Some languages grow indefinitely because their community is convinced that their favourite language is the only true language and they want it to be suite...
How to duplicate object properties in another object?
... edited Oct 11 '19 at 21:49
Zoltán Matók
3,68122 gold badges2626 silver badges5151 bronze badges
answered Feb 20 '12 at 14:31
...
Injecting a mock into an AngularJS service
... {
mockInjectedProvider.myFunc.andReturn('testvalue');
var resultFromMockedProvider = baseProvider.executeMyFuncFromInjected();
expect(resultFromMockedProvider).toEqual('testvalue');
});
//mock all service methods
function mock(angularServiceToMock) {
for (var...
Efficient evaluation of a function at every cell of a NumPy array
...need it:
import numpy as np
def f(x):
return x * x + 3 * x - 2 if x > 0 else x * 5 + 8
f = np.vectorize(f) # or use a different name if you want to keep the original f
result_array = f(A) # if A is your Numpy array
It's probably better to specify an explicit output type directly when ...
Git fast forward VS no fast forward merge
...e'
$ git log
// something like below
commit 'add new feature' // => commit created at merge with proper message
commit 'finish the feature'
commit 'work from day 2'
commit 'work from day 1'
$ gitk // => see details with graph
$ git checkout -b anotherFeature ...
How to use/install gcc on Mac OS X 10.8 / Xcode 4.4
...de 4.3 - you must now manually install command line tools from Xcode menu > Preferences > Downloads.
Alternatively, there are stand-alone installation packages both for Mountain Lion (10.8) and for Mavericks (10.9).
This package enables UNIX-style development via Terminal by installing
...
How to tell if JRE or JDK is installed
...Index = path.lastIndexOf(File.separator + "lib");
if(libIndex > 0) {
javacPath = path.substring(0, libIndex) + File.separator + "bin";
}
}
if(!javacPath.isEmpty()) {
return new File(javacPath, "javac").exists() || new File(javacP...