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How do I escape reserved words used as column names? MySQL/Create Table
... @rjmunro - Doing so is somewhat more defensive as it protects you against new reserved keywords being introduced in later versions but I don't like the visual clutter.
– Martin Smith
Sep 17 '13 at 12:02
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How to generate string of a certain length to insert into a file to meet a file size criteria?
...and a number of times you want that character repeated:
string myString = new string('*', 5000);
This gives you a string of 5000 stars - tweak to your needs.
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How to find out which view is focused?
...thod then look into your logcat to see what is currently focused.
JAVA
new Thread(() -> {
int oldId = -1;
while (true) {
View newView= this.getCurrentFocus();
if (newView!= null && newView.getId() != oldId) {
oldId = view.getId()...
JSON to pandas DataFrame
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Just a new version of the accepted answer, as python3.x does not support urllib2
from requests import request
import json
from pandas.io.json import json_normalize
path1 = '42.974049,-81.205203|42.974298,-81.195755'
response=reque...
How do I directly modify a Google Chrome Extension File? (.CRX)
...ere are a few problems with it — most importantly is that it hijacks the new tab — also, it returns null for the username so the copied path doesn't work — I'm on OS X — cool idea though, it just needs a little work. Oh and also, the slash between Extensions and the extension id is missing.
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AngularJS multiple filter with custom filter function
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f18792039%2fangularjs-multiple-filter-with-custom-filter-function%23new-answer', 'question_page');
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Rails mapping array of hashes onto single hash
...(which you may not want) but will not create an intermediary hash for each new merge.
– Phrogz
Jan 31 '16 at 21:41
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Capybara Ambiguity Resolution
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NEW ANSWER:
You can try something like
all('a').select {|elt| elt.text == "#tag1" }.first.click
There may be a way to do this which makes better use of the available Capybara syntax -- something along the lines of all("a[...
Naming returned columns in Pandas aggregate function? [duplicate]
... level, you can use the ravel() function on the multi-level column to form new labels:
df.columns = ["_".join(x) for x in df.columns.ravel()]
For example:
import pandas as pd
import pandas.rpy.common as com
import numpy as np
data = com.load_data('Loblolly')
print(data.head())
# height a...
Simulating group_concat MySQL function in Microsoft SQL Server 2005?
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SQL Server 2017 does introduce a new aggregate function
STRING_AGG ( expression, separator).
Concatenates the values of string expressions and places separator
values between them. The separator is not added at the end of string.
The concatenated el...