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Clear file cache to repeat performance testing
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Works perfectly for me under Windows 7 SP1, x64. Great tip!
– cxxl
Oct 22 '12 at 16:26
2
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How do I convert dates in a Pandas data frame to a 'date' data type?
...3-01-02
2 3 2013-01-03
In [32]: df['time'] = df['time'].astype('datetime64[ns]')
In [33]: df
Out[33]:
a time
0 1 2013-01-01 00:00:00
1 2 2013-01-02 00:00:00
2 3 2013-01-03 00:00:00
share
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What are the underlying data structures used for Redis?
...your point was What type to use to accomplish what?.
Strings
This is the base type of all the types. It's one of the four types but is also the base type of the complex types, because a List is a list of strings, a Set is a set of strings, and so forth.
A Redis string is a good idea in all the ob...
Your content must have a ListView whose id attribute is 'android.R.id.list'
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Exact way I fixed this based on feedback above since I couldn't get it to work at first:
activity_main.xml:
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width=...
Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
...pine environment
If you are in docker-alpine environment install the build-base package by adding this to your Dockerfile:
RUN apk add build-base
Better package name provided by Pablo Castellano. More details here.
If you need more packages for building purposes, consider adding of the alpine-sdk p...
Render HTML to an image
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@Subho it's a String containing the URL with base64-encoded data
– tsayen
Feb 14 '17 at 16:00
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show 14 more c...
How to increase IDE memory limit in IntelliJ IDEA on Mac?
...k like:
-Xms128m
-Xmx2048m
-XX:MaxPermSize=350m
-XX:ReservedCodeCacheSize=64m
-XX:+UseCodeCacheFlushing
-XX:+UseCompressedOops
Copying the original file is important, as options are not added, they are replaced.
This way your custom options will be preserved between updates and application files...
Why does JavaScript only work after opening developer tools in IE once?
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This solution does not work on IE 11 on Windows 7 64-bit.
– Vikram
Aug 18 '17 at 8:51
1
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What does the X-SourceFiles header do?
...rstood by certain debugging modules in IIS / IIS Express. It contains the base64-encoded path to the source file on disk and is used to link a page's generated output back to that source file. It's only generated for localhost requests, so you don't need to worry about it being displayed to the wo...
How can I recall the argument of the previous bash command?
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!!:n where n is the 0-based position of the argument you want.
For example:
echo 'one' 'two'
# "one two"
echo !!:2
# "two"
The ! prefix is used to access previous commands.
Other useful commands:
!$ - last argument from previous command
!^...