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What Process is using all of my disk IO
... do so. Else this might help.
Use top, then use these shortcuts:
d 1 = set refresh time from 3 to 1 second
1 = show stats for each cpu, not cumulated
This has to show values > 1.0 wa for at least one core - if there are no diskwaits, there is simply no IO load and no need to look further...
Warn user before leaving web page with unsaved changes
...the a flag that you're submitting a form:
var formSubmitting = false;
var setFormSubmitting = function() { formSubmitting = true; };
window.onload = function() {
window.addEventListener("beforeunload", function (e) {
if (formSubmitting) {
return undefined;
}
...
Overriding id on create in ActiveRecord
...
id is just attr_protected, which is why you can't use mass-assignment to set it. However, when setting it manually, it just works:
o = SomeObject.new
o.id = 8888
o.save!
o.reload.id # => 8888
I'm not sure what the original motivation was, but I do this when converting ActiveHash models to A...
How to get the first word of a sentence in PHP?
...
Note that if you set myvalue to a single word strstr doesn't return anything in this case! A solution could be to always add a space at the end of the string that's tested so it always comes back with the first word, even if that's the only w...
Difference between Hive internal tables and external tables?
...ly if you are pointing multiple schemas (tables or views) at a single data set or if you are iterating through various possible schemas.
You want to use a custom location such as ASV.
Hive should not own data and control settings, dirs, etc., you have another program or process that will do those th...
Why create “Implicitly Unwrapped Optionals”, since that implies you know there's a value?
...imes you have a member variable that should never be nil, but it cannot be set to the correct value during initialization. One solution is to use an Implicitly Unwrapped Optional, but a better way is to use a lazy variable:
class FileSystemItem {
}
class Directory : FileSystemItem {
lazy var c...
Enable remote MySQL connection: ERROR 1045 (28000): Access denied for user
...erflow.com/a/21151255/470749 helped me too because I guess my bind-address setting needed to be commented out. Granting remote privileges was not enough to get it to work.
– Ryan
Jun 16 '14 at 17:41
...
How to select a CRAN mirror in R
...as described using Anaconda's distribution of R, v3.4.3, with the snapshot set to 2017-09-01.
– Steven C. Howell
Jul 16 '18 at 20:56
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How SID is different from Service name in Oracle tnsnames.ora
...o a completely different database without the client needing to change any settings.
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How to get current date in jquery?
... this:
$( "#datepicker" ).datepicker({dateFormat:"yy/mm/dd"}).datepicker("setDate",new Date());
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