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Identifying the dependency relationship for python packages installed with pip
...lays a dependency graph and highlights each package for a possible update (based on semantic versioning). It also displays conflicting child dependencies in a pretty way. pipupgrade also ensures to upgrade packages present within multiple Python environments. Compatible with Python2.7+, Python3.4+ a...
filters on ng-model in an input
... is that we might have watchers that fire and take (inappropriate) actions based on invalid model.
As I see it, the proper solution here is to plug into the $parsers pipeline and make sure that invalid input doesn't make it into the model. I'm not sure how did you try to approach things or what exa...
How to combine two jQuery results
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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MySQL: ignore errors when importing?
I am importing a fairly large database. The .sql file has almost 1,000,000 lines in it. Problem is that I am getting a syntax error when trying to import the database. It says:
...
Connecting overloaded signals and slots in Qt 5
...ng the operation of taking the PMF. But in the meanwhile...
Note: the PMF-based connect syntax does not require C++11!
Addendum 2: in Qt 5.7 helper functions were added to mitigate this, modelled after my workaround above. The main helper is qOverload (you've also got qConstOverload and qNonCons...
Trying to load jquery into tampermonkey script
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Copy array items into another array
...newArray = [];
newArray.pushArray(dataArray1, dataArray2);
Here's a loop-based version of the last example, suitable for large arrays and all major browsers, including IE <= 8:
Array.prototype.pushArray = function() {
var toPush = this.concat.apply([], arguments);
for (var i = 0, len =...
ERROR 1452: Cannot add or update a child row: a foreign key constraint fails
...ou can generally do one (or more) of the following steps to fix the data.
Based on your "business logic", you will need to update/match these unmatching value(s), with the existing values in the parent table. You may sometimes need to set them null as well.
Delete these rows having unmatching value...
How do I keep jQuery UI Accordion collapsed by default?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Why is the shovel operator (
...
This answer is based on a false premise: both allocating and freeing short-lived objects is essentially free in any halfway decent modern GC. It is at least as fast as stack allocation in C and significantly faster than malloc / free. Also,...