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Find() vs. Where().FirstOrDefault()
...able and have a greater impact.
I guess my next question would be why did they add the find at all. That is a good tip. The only thing I can think of is that the FirstOrDefault could return a different default value other than null. Otherwise it just seems like a pointless addition
Find on Lis...
Original purpose of ? [closed]
I am curious about the original purpose of the <input type="hidden"> tag.
5 Answers
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adb not finding my device / phone (MacOS X)
Doing Android development on a Mac and this very new phone I have doesn't show up in the devices list in adb . Lots of other phones and devices work fine for me so I know my setup is good.
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How to keep Maven profiles which are activeByDefault active even if another profile gets activated?
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One trick is to avoid activeByDefault, and instead activate the profile by the absence of a property, eg:
<profiles>
<profile>
<id>firstProfile</id>
<activation>
<property>
<name&g...
Is it possible to install APK file if more than one emulators/devices are connected [duplicate]
... alternate to install that apk file by giving any specific device Emulator id or any name ???
Please help me if there is any idea for it. . .
Thanks.
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Pandas read_csv low_memory and dtype options
...aving to change the dtype of that column when you read the last value.
Consider the example of one file which has a column called user_id.
It contains 10 million rows where the user_id is always numbers.
Since pandas cannot know it is only numbers, it will probably keep it as the original strings un...
Android: textColor of disabled button in selector not showing?
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You need to also create a ColorStateList for text colors identifying different states.
Do the following:
Create another XML file in res\color named something like text_color.xml.
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com...
Using Selenium Web Driver to retrieve value of a HTML input
...he displayed text is not wrapped by the <input> tag, instead it's inside the value attribute.
Note: Case matters. If you specify "Value", you'll get a 'null' value back. This is true for C# at least.
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Can you nest html forms?
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I agree with what others have said. This limitation seems arbitrary and harmful.
– aroth
Jul 7 '14 at 6:43
15
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How to declare a variable in MySQL?
...ssing it.
They can be used as local variables and the input parameters
inside a stored procedure:
DELIMITER //
CREATE PROCEDURE sp_test(var1 INT)
BEGIN
DECLARE start INT unsigned DEFAULT 1;
DECLARE finish INT unsigned DEFAULT 10;
SELECT var1, start, finish;
SELECT * F...