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Write text files without Byte Order Mark (BOM)?
...wo easy ways to do this:
1. Explicitly specifying a suitable encoding:
Call the UTF8Encoding constructor with False for the encoderShouldEmitUTF8Identifier parameter.
Pass the UTF8Encoding instance to the stream constructor.
' VB.NET:
Dim utf8WithoutBom As New System.Text.UTF8Encoding(False)
Us...
Easiest way to copy a table from one database to another?
...
If you are using PHPMyAdmin, it could be really simple.
Suppose you have following databases:
DB1 & DB2
DB1 have a table users which you like to copy to DB2
Under PHPMyAdmin, open DB1, then go to users table.
On this page, click on the "Operations" tab on the...
Delete keychain items when an app is uninstalled
...ou can take advantage of the fact that NSUserDefaults are cleared by uninstallation of an app. For example:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
//Clear keychain on first run in case of reinstallation
if (![[NSUserDef...
Textarea to resize based on content length [duplicate]
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If you textarea is too tall and generates scroll on the page and you happen to have your page scrolled down, this will reset the scroll position to the top when you 'height = 1px'. To avoid it you can assign the height to the textarea's parent tempo...
How to update a value, given a key in a hashmap?
...e computeIfPresent method and supply it a mapping function, which will be called to compute a new value based on existing one.
For example,
Map<String, Integer> words = new HashMap<>();
words.put("hello", 3);
words.put("world", 4);
words.computeIfPresent("hello", (k, v) -> v + 1);
S...
Socket File “/var/pgsql_socket/.s.PGSQL.5432” Missing In Mountain Lion (OS X Server)
...ing the same problem with PostgreSQL that I did last year when I first installed Lion Server.
20 Answers
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How to check if one of the following items is in a list?
...ts only contain one of each item). If `L1 = [1,1,2,3]' and 'L2 = [1,2,3]', all items will be seen to intersect.
– ron_g
Sep 21 '18 at 8:48
...
Insert Update stored proc on SQL Server
...
Your assumption is right, this is the optimal way to do it and it's called upsert/merge.
Importance of UPSERT - from sqlservercentral.com:
For every update in the case mentioned above we are removing one
additional read from the table if we
use the UPSERT instead of EXISTS.
Unfortu...
Make outer div be automatically the same height as its floating content
...ht: 200px in the div with the outerdiv id as I want it to be automatically the height of its content (eg, the floating div s).
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What do the numbers in a version typically represent (i.e. v1.9.0.1)?
...t assigning versions to the different builds of my software, but I'm not really sure how it should be structured. My software has five distinct components.
...