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Finding child element of parent pure javascript

...esire. Edit: Now that I think about it, you could just use querySelectorAll to get decendents of parent having a class name of child1: children = document.querySelectorAll('.parent .child1'); The difference between qS and qSA is that the latter returns all elements matching the selector, while...
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What is the difference between build.sbt and build.scala?

I started to learn Scala and almost in every tutorial I see a build.sbt file which describes project settings. But now I have installed giter8 and created a project from template. And generated project from template missed build.sbt file, but it have build.scala (which seems used for same pu...
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How do I convert dates in a Pandas data frame to a 'date' data type?

I have a Pandas data frame, one of the column contains date strings in the format YYYY-MM-DD 10 Answers ...
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Set variable in jinja

...iable with another variable in jinja. I will explain, I have got a submenu and I would like show which link is active. I tried this: ...
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When should I use “this” in a class?

...er "name" to the instance variable "name". public class Foo { private String name; public void setName(String name) { this.name = name; } } Case 2: Using this as an argument passed to another object. public class Foo { public String useBarMethod() { Bar theBar = ...
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Reading a simple text file

...eader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; import java.util.Vector; import android.app.Activity; import android.os.Bundle; import android.widget.TextView; public class txtRead extends Activity { String labels="caption"; String text=""; S...
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Remove DEFINER clause from MySQL Dumps

...editor and replace all occurrences of DEFINER=root@localhost with an empty string "" Edit the dump (or pipe the output) using perl: perl -p -i.bak -e "s/DEFINER=\`\w.*\`@\`\d[0-3].*[0-3]\`//g" mydatabase.sql Pipe the output through sed: mysqldump ... | sed -e 's/DEFINER[ ]*=[ ]*[^*]*\*/\*/' > ...
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Android AlertDialog Single Button

...ssage"); builder1.setCancelable(true); builder1.setNeutralButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert11 = builder1.create(); alert11.show(); ...
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How much is too much with C++11 auto keyword?

...se auto everywhere you can". Does this mean I should write auto str = std::string(); instead of std::string str;? – Calmarius Mar 23 '19 at 18:42 5 ...
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Difference between JSONObject and JSONArray

...ed items (Which could be JSON objects) 2. Array values must be of type string, number, object, array, boolean or null 3. Syntax: [ "Ford", "BMW", "Fiat" ] 4. JSON arrays are surrounded by square brackets []. **Tip to remember** : Here, order of element is important. That mea...