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How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...C
0 x w 0
Notable Mentions: numpy.isin, query, list comprehensions (string data)
In addition to the methods described above, you can also use the numpy equivalent: numpy.isin.
# `in` operation
df[np.isin(df['countries'], c1)]
countries
1 UK
4 China
# `not in` operation
df[np....
Force update of an Android app when a new version is available
...current version from there and then compare it with your current version.
String currentVersion, latestVersion;
Dialog dialog;
private void getCurrentVersion(){
PackageManager pm = this.getPackageManager();
PackageInfo pInfo = null;
try {
pInfo = pm.getPackageInfo(thi...
Why this line xmlns:android=“http://schemas.android.com/apk/res/android” must be the first in the la
...rm Resource Identifier (URI)
A Uniform Resource Identifier (URI) is a string of characters which
identifies an Internet Resource.
The most common URI is the Uniform Resource Locator (URL) which
identifies an Internet domain address. Another, not so common type of
URI is the Universal...
How do I vertically align text in a div?
...
@Flextra: This is why folks still use tables for grid layout. Vertical align (or anything with height & dynamic data) can be challenging with pure CSS. You have to be willing to do weird hacks like this (somewhat defeats the...
Get the full URL in PHP
.../$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
(Note that the double quoted string syntax is perfectly correct)
If you want to support both HTTP and HTTPS, you can use
$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVE...
'Contains()' workaround using Linq to Entities?
...e is the code that I used to generate some e-sql from a collection, YMMV:
string[] ids = orders.Select(x=>x.ProductID.ToString()).ToArray();
return CurrentDataSource.Products.Where("it.ID IN {" + string.Join(",", ids) + "}");
...
Storing SHA1 hash values in MySQL
.... When storing the hash as binary, phpmyadmin will display the it as a hex string, but pma will be unable to use it in the provided "search tab". Will work only if you add the UNHEX() manually to the sql.
– Timo Huovinen
Jan 14 '14 at 12:05
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How to prepend a string to a column value in MySQL?
...QL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value.
...
Error handling in getJSON calls
...ended!'); });
And with error description plus showing all json data as a string:
$.getJSON("example.json", function(data) {
alert(JSON.stringify(data));
})
.done(function() { alert('getJSON request succeeded!'); })
.fail(function(jqXHR, textStatus, errorThrown) { alert('getJSON request failed! ...
Eclipse RCP开发桌面程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...sor extends WorkbenchAdvisor {
2
3 private static final String PERSPECTIVE_ID = " cn.blogjava.youxia.rcp_start.perspective " ;
4
5 public WorkbenchWindowAdvisor createWorkbenchWindowAdvisor(IWorkbenchWindowConfigurer configurer) {
6 return new Applic...