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Android draw a Horizontal line between views
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You should use the new lightweight View Space to draw dividers.
Your layout will load faster if you will use Space instead of View.
Horizontal divider:
<android.support.v4.widget.Space
android:layout_height="1dp"
android:la...
How to drop a list of rows from Pandas dataframe?
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newcomers to python: note that if you want to drop these rows and save them in the same dataframe (inplace) you also need to add the axis=0 (0 = rows, 1 = columns) and inplace=True as in df.drop(df.index[[1,3]], axis=0, inpla...
What are the -Xms and -Xmx parameters when starting JVM?
...n different sizes, such as kilobytes, megabytes, and so on.
-Xmx1024k
-Xmx512m
-Xmx8g
The Xms flag has no default value, and Xmx typically has a default value of 256 MB. A common use for these flags is when you encounter a java.lang.OutOfMemoryError.
When using these settings, keep in mind that...
best practice to generate random token for forgot password
...or' => $selector,
'validator' => bin2hex($token)
]);
$expires = new DateTime('NOW');
$expires->add(new DateInterval('PT01H')); // 1 hour
$stmt = $pdo->prepare("INSERT INTO account_recovery (userid, selector, token, expires) VALUES (:userid, :selector, :token, :expires);");
$stmt-&g...
Send response to all clients except sender
...t"); // Old way, still compatible
io.emit('message', 'this is a test');// New way, works only in 1.x
// sending to all clients except sender
socket.broadcast.emit('message', "this is a test");// Hasn't changed
// sending to all clients in 'game' room(channel) except sender
socket.broadcast.to...
How do you enable “Enable .NET Framework source stepping”?
...kpoint within the .net source (for example, go to the Breakpoints tab, say New->Break at Function, and enter System.Windows.Forms.Form.Form) or step into one of the .net methods in that dll.
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What does the servlet value signify
... the post.
– Alboz
Feb 18 '15 at 17:51
3
What happens when load on startup is not specified?
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Html.DropdownListFor selected value not being set
...onceptual issues:
First,
@Html.DropDownListFor(n => n.OrderTemplates, new SelectList(Model.OrderTemplates, "OrderTemplateId", "OrderTemplateName", 1), "Please select an order template")
When using DropDownListFor, the first parameter is the property where your selected value is stored once yo...
How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its
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answered May 10 '12 at 19:51
hspainhspain
17.4k55 gold badges1616 silver badges3131 bronze badges
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What is the “Execute Around” idiom?
...nputStreamAction action)
throws IOException
{
InputStream stream = new FileInputStream(filename);
try {
action.useStream(stream);
} finally {
stream.close();
}
}
// Calling it
executeWithFile("filename.txt", new InputStreamAction()
{
public void useStream(Inp...