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How to debug Lock wait timeout exceeded on MySQL?
...query, all the tables being accessed are candidates for being the culprit.
From there, you should be able to run SHOW ENGINE INNODB STATUS\G
You should be able to see the affected table(s)
You get all kinds of additional Locking and Mutex Information.
Here is a sample from one of my clients:
mysql&g...
Large-scale design in Haskell? [closed]
...
I tried to download the slides from the Engineering Large Projects in Haskell talk, but the link appeared to be broken. Here's a working one: galois.com/~dons/talks/dons-londonhug-decade.pdf
– mik01aj
Jan 17 '11 at 19...
Proper way to catch exception from JSON.parse
...%2fstackoverflow.com%2fquestions%2f4467044%2fproper-way-to-catch-exception-from-json-parse%23new-answer', 'question_page');
}
);
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...
std::string formatting like sprintf
...he desired length of the char array using a special condition in snprintf. From cppreference.com:
Return value
[...] If the resulting string gets truncated due to buf_size limit,
function returns the total number of characters (not including the
terminating null-byte) which would have b...
How to convert index of a pandas dataframe into a column?
...the index into the columns (one column per level) and creates an int index from 0 to len(df)-1
– BallpointBen
Jan 10 '19 at 19:52
2
...
Numpy - add row to array
... = array([[0, 1, 2], [1, 2, 0], [2, 1, 2], [3, 2, 0]])
add to A all rows from X where the first element < 3:
import numpy as np
A = np.vstack((A, X[X[:,0] < 3]))
# returns:
array([[0, 1, 2],
[0, 2, 0],
[0, 1, 2],
[1, 2, 0],
[2, 1, 2]])
...
Are global variables in PHP considered bad practice? If so, why?
...ness.
Don't concern yourself overly with applying standards or constructs from different languages to PHP. Another common pitfall is trying to turn PHP into a pure OOP language by sticking object models on top of everything.
Like anything else, use "global" variables, procedural code, a particular...
How can I force a hard reload in Chrome for Android
...rue) according to MDN (and this similar question) it forces page to reload from server.
You can execute this code in the browser by typing javascript:location.reload(true) in the address bar.
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Where to put model data and behaviour? [tl; dr; Use Services]
...e;
});
function Ctrl1($scope, ListService) {
//Can add/remove/get items from shared list
}
function Ctrl2($scope, ListService) {
//Can add/remove/get items from shared list
}
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Could not find default endpoint element
...u are calling the service in a class library and calling the class library from another project."
In this case you will need to include the WS configuration settings into the main projects app.config if its a winapp or web.config if its a web app. This is the way to go even with PRISM and WPF/Silve...