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PHP + MySQL transactions examples
...(mysql_error());
$query = "INSERT INTO employee (ssn,name,phone) values ('123-45-6789','Matt','1-800-555-1212')";
begin(); // transaction begins
$result = mysql_query($query);
if(!$result){
rollback(); // transaction rolls back
echo "transaction rolled back";
exit;
}else{
commit(...
Putty: Getting Server refused our key Error
...tNumber = 22,
HostName = "192.168.1.188",
UserName = "user123",
//Password = "Password1",
SshHostKeyFingerprint = @"ssh-rsa 2048 qu0f........................ddowUUXA="
};
ops.SshPrivateKeyPath = @"C:\temp\rsa-key-20190505.ppk";
using (Session session = ...
How do I return rows with a specific value first?
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For Postgres, this worked for me: ORDER BY id = 123 DESC, name ASC
– user1032752
Oct 6 '16 at 21:27
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How to define two angular apps / modules in one page?
...
123
Only one AngularJS application can be auto-bootstrapped per HTML document. The first ngApp ...
How to click first link in list of items after upgrading to Capybara 2.0?
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123
Try the following:
within ".item" do
click_link("Agree", :match => :first)
end
Sources...
What is resource-ref in web.xml used for?
...endor specific deployment descriptor file
– abhihello123
Aug 1 '16 at 11:48
1
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How to check if command line tools is installed
I have a macbook pro with OS X 10.8.2.
XCode is installed. I know this as it appears in the Applications directory.
There are also the xcodebuild and xcode-select files in /usr/bin
I need to know if the command line tools is installed.
Is there a command for it?
What can I do to see if XCode CLT is ...
Two versions of python on linux. how to make 2.7 the default
...t the change to be persistent, and now when you type python it runs your chosen 2.7, but when some program on your system tries to run a script with /usr/bin/env python it runs the standard 2.6.
Alternatively, just create a virtual environment out of your 2.7 (or separate venvs for different proj...
What is the correct way to document a **kwargs parameter?
...rgs argument, but a completely normal one.
– bugmenot123
Jul 15 '19 at 12:26
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decimal vs double! - Which one should I use and when? [duplicate]
...ut at 1 million for a float.
A 15 digit monetary value:
£1,234,567,890,123.45
9 trillion with a double. But with division and comparisons it's more complicated (I'm definitely no expert in floating point and irrational numbers - see Marc's point). Mixing decimals and doubles causes issues:
...