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How to speed up insertion performance in PostgreSQL
...u've batched your work into big transactions, though.
INSERT or COPY in parallel from several connections. How many depends on your hardware's disk subsystem; as a rule of thumb, you want one connection per physical hard drive if using direct attached storage.
Set a high checkpoint_segments value an...
Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.”
...% of the time. I just got a new ISP and it runs kinda weird. This happens all the time now on simulator. Could be the network.
– noobsmcgoobs
Feb 11 '15 at 6:08
1
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How to recognize USB devices in Virtualbox running on a Linux host? [closed]
...and log in again
Attach to your PC the USB devices you want to be automatically mounted in the VM (virtual machine).
Open Virtualbox
Select your VM and go to "Machine" -> "Settings" -> "USB".
Check "Enable USB Controller"; click on the icon with the USB plug and the plus, and
click on the devi...
Checking for a null int value from a Java ResultSet
... declaration. In which case your test is completely redundant.
If you actually want to do something different if the field value is NULL, I suggest:
int iVal = 0;
ResultSet rs = magicallyAppearingStmt.executeQuery(query);
if (rs.next()) {
iVal = rs.getInt("ID_PARENT");
if (rs.wasNull()) {
...
Git Push Error: insufficient permission for adding an object to repository database
...e).
The operating system doesn't interpret a setgid bit on directories as "all new files and subdirectories should inherit the group owner".
When core.sharedRepository is true or group, Git relies on a feature of GNU operating systems (e.g., every Linux distribution) to ensure that newly created su...
Can I Install Laravel without using Composer?
I'd like to know if I can install or use the Laravel PHP framework on any web server without using Composer (PHP package/dependency manager) every time?
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Does IE9 support console.log, and is it a real function?
...native ECMAScript functions and objects do. This is the reason apply and call are undefined on those methods. In IE 9, most DOM objects were improved to inherit from native ECMAScript types. As the developer tools are considered an extension to IE (albeit, a built-in extension), they clearly didn...
Delaying AngularJS route change until model loaded to prevent flicker
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$routeProvider resolve property allows delaying of route change until data is loaded.
First define a route with resolve attribute like this.
angular.module('phonecat', ['phonecatFilters', 'phonecatServices', 'phonecatDirectives']).
config(['$routeProvid...
How can I search for a commit message on GitHub?
Not in a Git repository , but rather in GitHub specifically - how do I search just the commit messages of a specific repository/branch?
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iPhone: How to switch tabs with an animation?
I'm switching tabs programmatically in a tab bar driven application using UITabBarController.selectedIndex . The problem I'm trying to solve is how to animate the transition between the views. ie. from the view of the current tab to the view of the selected tab.
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