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How to Truncate a string in PHP to the word closest to a certain number of characters?
...ars, but the result would be cutting off in the middle of words-- what I really want is to chop the text at the end of the last word before 200 chars.
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vim and NERD Tree extension - adding a file
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Any way to save a step, and automatically open the created file? Use the create option all the time, but 90% of time wish to start editing the file in a new buffer right after creation.
– arcseldon
Jan 27 '18 at 0:02
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How to have a default option in Angular.js select box
...as not available yet at the time ng-init ran: I got the value via an ajax call and at that moment the ng-init was already finished. In the end I used a watcher on that value and in that function I did the same as I did in ng-init. That worked.
– maurits
Sep 5 '...
Is there a difference between /\s/g and /\s+/g?
...eans "one or more spaces".
But, because you're using the /g flag (replace all occurrences) and replacing with the empty string, your two expressions have the same effect.
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Best approach to remove time part of datetime in SQL Server
...er SQL Server optimiser versions managing CAST to date correctly, but generally it will be a bad idea ...
Edit, Sep 2018, for datetime2
DECLARE @datetime2value datetime2 = '02180912 11:45' --this is deliberately within datetime2, year 0218
DECLARE @datetime2epoch datetime2 = '19000101'
select DAT...
Random float number generation
... will often not be sufficient if you need truly random numbers.
Before calling rand(), you must first "seed" the random number generator by calling srand(). This should be done once during your program's run -- not once every time you call rand(). This is often done like this:
srand (static_ca...
Performance - Date.now() vs Date.getTime()
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These things are the same (edit semantically; performance is a little better with .now()):
var t1 = Date.now();
var t2 = new Date().getTime();
However, the time value from any already-created Date instance is frozen at the time of its construction (or at whateve...
how to know if the request is ajax in asp.net mvc?
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All AJAX calls made by jQuery will have a header added to indicate it is AJAX. The header to check is X-Requested-With, and the value will be XMLHttpRequest when it is an AJAX call.
Note that AJAX requests are normal GETs or...
Uncaught ReferenceError: jQuery is not defined [duplicate]
...this problem when the certificate for the site expires. Today I got it and all of my sites started failing on refresh because of it. On your console you'll only see: ReferenceError: jQuery is not defined The problem is you won't find the cause until you look at the URL and see this: code.jquer...
How to save a plot as image on the disk?
...d like to save that image as PNG or JPEG, is it possible to do it automatically? (via code)
11 Answers
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