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How to select a drop-down menu value with Selenium using Python?
...you might have to use the more obtuse "xpath" version if the author of the form has not properly setup a select HTML element. If simply using input fields, xpath should work.
– Matthew
Dec 28 '17 at 21:08
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How to convert JSON string to array
... PHP's built-in json_decode() it will return NULL if your JSON is invalid (for example, no quoted keys). That's what the documentation says and that's what my PHP 5.2 installation returns. Are you using a function other than the official, built-in json_decode()? What does var_dump(json_decode($s...
Querying DynamoDB by date
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Updated Answer:
DynamoDB allows for specification of secondary indexes to aid in this sort of query. Secondary indexes can either be global, meaning that the index spans the whole table across hash keys, or local meaning that the index would exist within e...
Android Fragment lifecycle over orientation changes
...nstanceState == null) {
// only create fragment if activity is started for the first time
mFragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction();
FragmentOne fragment = new FragmentOne();
fragmentTransaction...
Select all DIV text with single mouse click
...his. Then you can add the functionality unobtrusively to several elements, for example several divs in a container: jQuery('#selectcontainer div').click(selectText);
– chiborg
Oct 16 '11 at 9:57
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Simple way to transpose columns and rows in SQL?
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There are several ways that you can transform this data. In your original post, you stated that PIVOT seems too complex for this scenario, but it can be applied very easily using both the UNPIVOT and PIVOT functions in SQL Server.
However, if you do not have acces...
Oracle: how to UPSERT (update or insert into a table?)
...Duration : All locks acquired by statements within a transaction are held for the duration of the transaction, preventing destructive interference including dirty reads, lost updates, and destructive DDL operations from concurrent transactions." Souce : link
– yohannc
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Sorting an IList in C#
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How about using LINQ To Objects to sort for you?
Say you have a IList<Car>, and the car had an Engine property, I believe you could sort as follows:
from c in list
orderby c.Engine
select c;
Edit: You do need to be quick to get answers in here. As I prese...
Why does `a == b or c or d` always evaluate to True?
...cally equivalent to:
if (name == "Kevin") or ("Jon") or ("Inbar"):
Which, for user Bob, is equivalent to:
if (False) or ("Jon") or ("Inbar"):
The or operator chooses the first argument with a positive truth value:
if ("Jon"):
And since "Jon" has a positive truth value, the if block executes. That...
Solving “The ObjectContext instance has been disposed and can no longer be used for operations that
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By default Entity Framework uses lazy-loading for navigation properties. That's why these properties should be marked as virtual - EF creates proxy class for your entity and overrides navigation properties to allow lazy-loading. E.g. if you have this entity:
public clas...