大约有 13,700 项符合查询结果（耗时：0.0253秒） [XML]
convert_tz returns null
...his will happen if you haven't loaded the time zone table into mysql.
mysql_tzinfo_to_sql /usr/share/zoneinfo | mysql -u root -p mysql
mysql is the name of the built-in database that holds MySQL-specific configuration data.
...
How do I expand the output display to see more columns of a pandas DataFrame?
....options.display.width = 0. (For older versions see at bottom.)
pandas.set_printoptions(...) is deprecated. Instead, use pandas.set_option(optname, val), or equivalently pd.options.<opt.hierarchical.name> = val. Like:
import pandas as pd
pd.set_option('display.max_rows', 500)
pd.set_option('...
Haml: Control whitespace around text
...
To answer the original question:
I will first
= succeed ',' do
= link_to 'link somewhere', 'http://example.com'
- if @condition
then render this half of the sentence if a condition is met
Produces:
I will first
<a href="http://example.com">link somewhere</a>,
then render this ...
Is it possible to set private property via reflection?
...
Yes, it is:
/// <summary>
/// Returns a _private_ Property Value from a given Object. Uses Reflection.
/// Throws a ArgumentOutOfRangeException if the Property is not found.
/// </summary>
/// <typeparam name="T">Type of the Property</typeparam>
/...
How do I capture the output into a variable from an external process in PowerShell?
...d of piping to Out-String:
$cmdOutput = <command> 2>&1 | % { $_.ToString() };
in PS v3+ you can simplify to:
$cmdOutput = <command> 2>&1 | % ToString
(As a bonus, if the output isn't captured, this produces properly interleaved output even when printing to the console.)
Al...
UIButton Long Press Event
...s = UILongPressGestureRecognizer(target: self, action: #selector(longPress(_:)))
self.button.addGestureRecognizer(longPress)
}
func longPress(gesture: UILongPressGestureRecognizer) {
if gesture.state == UIGestureRecognizerState.began {
print("Long Press"...
Liquibase lock - reasons?
...l="CONTINUE">
<not><sequenceExists sequenceName="SEQUENCE_NAME_SEQ" /></not>
</preConditions>
<createSequence sequenceName="SEQUENCE_NAME_SEQ"/>
</changeSet>
A work around is using plain SQL to check this instead:
<changeSet author="user...
Comparing two dataframes and getting the differences
...identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataf...
Difference between fold and reduce?
...old left or right visually depicted in this wiki(en.wikipedia.org/wiki/Fold_%28higher-order_function). With an identity construct, the other two 'fundamental' FP operators (filter and fmap) are also implementable with an existing `fold' first-class language construct (they're all isomorphic construc...
How to set HttpResponse timeout for Android in Java
...t(httpParameters, timeoutConnection);
// Set the default socket timeout (SO_TIMEOUT)
// in milliseconds which is the timeout for waiting for data.
int timeoutSocket = 5000;
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
DefaultHttpClient httpClient = new DefaultHttpClient(httpPa...