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Why should you use an ORM? [closed]
...f query I am thinking of is a polymorphic query. A simple ORM query might select all shapes in your database. You get a collection of shapes back. But each instance is a square, circle or rectangle according to its discriminator.
Another type of query would be one that eagerly fetches an object ...
Open file via SSH and Sudo with Emacs
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I had some troubles with the selected answer. However, it worked when I added this line to .emacs:
(add-to-list 'tramp-default-proxies-alist '(".*" "\\`root\\'" "/ssh:%h:"))
And then executed the following:
/sudo:ssh-host:file-on-ssh-host
It was sl...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...Peter Ehrlich : Just go to the Window > Android SDK and AVD Manager and select AVD you want to launch from the list and then click on the Start button in the right pane. It will open the same you want.
– Vikas Patidar
Jan 2 '12 at 7:10
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Java: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification
...sing Firefox. You can export it by hitting the URL in the browser and then select the option to export the certificate. Let's assume the cert file name is your.ssl.server.name.crt
Go to your JRE_HOME/bin or JDK/JRE/bin
Type the command
keytool -keystore ..\lib\security\cacerts -import -alias your.s...
What's “tools:context” in Android layout files?
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That attribute is basically the persistence for the "Associated Activity" selection above the layout. At runtime, a layout is always associated with an activity. It can of course be associated with more than one, but at least one. In the tool, we need to know about this mapping (which at runtime h...
How to use nodejs to open default browser and navigate to a specific URL
...try spawn("explorer.exe",['stackoverflow.com']), the windows explorer will select the default browser to open the URL.
– Qing Xu
Dec 14 '11 at 13:56
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How can I update NodeJS and NPM to the next versions?
...0.9.6
Where the dot (•) means that it's a currently active version. To select another node.js version from the list, use Up/Down arrow keys and activate using the Enter key.
To list the versions available to install:
$ n lsr
nvm (macOS, Linux)
nvm is also like rvm, even the command names an...
Relational Database Design Patterns? [closed]
... codepages.
Give every column a unique name. This make it easer on join to select the column. It is very difficult if every table has a column "ID" or "Name" or "Description". Use XyzID and AbcID.
Use a resource bundle or equals for complex SQL expressions. It make it easer to switch to another DBMS...
How does one change the language of the command line interface of Git?
...nment variables, in priority order:
LANGUAGE
LC_ALL
LC_xxx, according to selected locale category: LC_CTYPE, LC_NUMERIC, LC_TIME, LC_COLLATE, LC_MONETARY, LC_MESSAGES, ...
LANG
Variables whose value is set but is empty are ignored in this lookup.
LANG is the normal environment variable ...
Unable to load SOS in WinDbg
...ound here: msdn.microsoft.com/en-us/windows/hardware/gg463009.aspx you can select to install the Redistributable Packages which puts MSIs for each architecture version here: C:\Program Files\Microsoft SDKs\Windows\v7.1\Redist\Debugging Tools for Windows
– Aaron Lerch
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