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How can you list the matches of Vim's search?
..." highlight matches, in normal mode try typing * or even g* when cursor on string
set hlsearch
" yank those cheat commands, in normal mode type q: than p to paste in the opened cmdline
" how-to search for a string recursively
" :grep! "\<doLogErrorMsg\>" . -r
"
" how-t...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
...without the quotes. Moreover you need to specify the timezone in the input string.
Example : 2013-09-29T18:46:19-0700
And the format as "yyyy-MM-dd'T'HH:mm:ssZ"
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How to use JavaScript regex over multiple lines?
...
To match an entire multiline string, try the greedy [\s\S]+.
– Boaz
Oct 29 '18 at 14:42
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How do you join on the same table, twice, in mysql?
I have 2 tables. One (domains) has domain ids, and domain names (dom_id, dom_url).
3 Answers
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How to append text to an existing file in Java?
...You can use fileWriter with a flag set to true , for appending.
try
{
String filename= "MyFile.txt";
FileWriter fw = new FileWriter(filename,true); //the true will append the new data
fw.write("add a line\n");//appends the string to the file
fw.close();
}
catch(IOException ioe)
{
...
How to track down log4net problems
...atic ILog logger = LogManager.GetLogger(typeof(Program));
static void Main(string[] args)
{
logger.InfoFormat("{0} v.{1} started.", Assembly.GetExecutingAssembly().GetName().Name, Assembly.GetExecutingAssembly().GetName().Version.ToString());
With 2.0.8, I had an interesting situation. I creat...
How can I remove or replace SVG content?
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Thanks, however if i remove a chart and then immediately try to add a new chart, it does not get added? Any suggestion, thank you.
– codingbbq
Feb 25 '15 at 10:24
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MySQL Update Inner Join tables query
...px = g.latitude,
b.mapy = g.longitude
WHERE (b.mapx = '' or b.mapx = 0) and
g.latitude > 0
Update:
Since you said the query yielded a syntax error, I created some tables that I could test it against and confirmed that there is no syntax error in my query:
mysql> create table business ...
Filtering for empty or NULL names in a queryset
...exclude(alias__isnull=True)
If you need to exclude null values and empty strings, the preferred way to do so is to chain together the conditions like so:
Name.objects.exclude(alias__isnull=True).exclude(alias__exact='')
Chaining these methods together basically checks each condition independent...
PostgreSQL - max number of parameters in “IN” clause?
..., but this is only
* possible if the inputs are all scalars (no RowExprs) and there is a
* suitable array type available. If not, we fall back to a boolean
* condition tree with multiple copies of the lefthand expression.
* Also, any IN-list items that contain Vars are handled as separate
* bo...